261722916

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 216

約数和(自身を含む): 844402104

約数和(自身を除く): 582679188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 101, 113, 117, 126, 147, 156, 182, 196, 202, 226, 234, 252, 273, 294, 303, 339, 364, 404, 441, 452, 468, 546, 588, 606, 637, 678, 707, 791, 819, 882, 909, 1017, 1092, 1212, 1274, 1313, 1356, 1414, 1469, 1582, 1638, 1764, 1818, 1911, 2034, 2121, 2373, 2548, 2626, 2828, 2938, 3164, 3276, 3636, 3822, 3939, 4068, 4242, 4407, 4746, 4949, 5252, 5537, 5733, 5876, 6363, 7119, 7644, 7878, 8484, 8814, 9191, 9492, 9898, 10283, 11074, 11413, 11466, 11817, 12726, 13221, 14238, 14847, 15756, 16611, 17628, 18382, 19796, 20566, 22148, 22826, 22932, 23634, 25452, 26442, 27573, 28476, 29694, 30849, 33222, 34239, 36764, 41132, 44541, 45652, 47268, 49833, 52884, 55146, 59388, 61698, 64337, 66444, 68478, 71981, 79891, 82719, 89082, 92547, 99666, 102717, 110292, 123396, 128674, 136956, 143962, 148369, 159782, 165438, 178164, 185094, 193011, 199332, 205434, 215943, 239673, 257348, 287924, 296738, 319564, 330876, 370188, 386022, 410868, 431886, 445107, 479346, 559237, 579033, 593476, 647829, 719019, 772044, 863772, 890214, 958692, 1038583, 1118474, 1158066, 1295658, 1335321, 1438038, 1677711, 1780428, 2077166, 2236948, 2316132, 2591316, 2670642, 2876076, 3115749, 3355422, 4154332, 5033133, 5341284, 6231498, 6710844, 7270081, 9347247, 10066266, 12462996, 14540162, 18694494, 20132532, 21810243, 29080324, 37388988, 43620486, 65430729, 87240972, 130861458, 261722916]

約数ペア:

[(1, 261722916), (2, 130861458), (3, 87240972), (4, 65430729), (6, 43620486), (7, 37388988), (9, 29080324), (12, 21810243), (13, 20132532), (14, 18694494), (18, 14540162), (21, 12462996), (26, 10066266), (28, 9347247), (36, 7270081), (39, 6710844), (42, 6231498), (49, 5341284), (52, 5033133), (63, 4154332), (78, 3355422), (84, 3115749), (91, 2876076), (98, 2670642), (101, 2591316), (113, 2316132), (117, 2236948), (126, 2077166), (147, 1780428), (156, 1677711), (182, 1438038), (196, 1335321), (202, 1295658), (226, 1158066), (234, 1118474), (252, 1038583), (273, 958692), (294, 890214), (303, 863772), (339, 772044), (364, 719019), (404, 647829), (441, 593476), (452, 579033), (468, 559237), (546, 479346), (588, 445107), (606, 431886), (637, 410868), (678, 386022), (707, 370188), (791, 330876), (819, 319564), (882, 296738), (909, 287924), (1017, 257348), (1092, 239673), (1212, 215943), (1274, 205434), (1313, 199332), (1356, 193011), (1414, 185094), (1469, 178164), (1582, 165438), (1638, 159782), (1764, 148369), (1818, 143962), (1911, 136956), (2034, 128674), (2121, 123396), (2373, 110292), (2548, 102717), (2626, 99666), (2828, 92547), (2938, 89082), (3164, 82719), (3276, 79891), (3636, 71981), (3822, 68478), (3939, 66444), (4068, 64337), (4242, 61698), (4407, 59388), (4746, 55146), (4949, 52884), (5252, 49833), (5537, 47268), (5733, 45652), (5876, 44541), (6363, 41132), (7119, 36764), (7644, 34239), (7878, 33222), (8484, 30849), (8814, 29694), (9191, 28476), (9492, 27573), (9898, 26442), (10283, 25452), (11074, 23634), (11413, 22932), (11466, 22826), (11817, 22148), (12726, 20566), (13221, 19796), (14238, 18382), (14847, 17628), (15756, 16611)]