261707628

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 789017600

約数和(自身を除く): 527309972

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 67, 73, 78, 84, 91, 98, 134, 146, 147, 156, 182, 196, 201, 219, 268, 273, 292, 294, 343, 364, 402, 438, 469, 511, 546, 588, 637, 686, 804, 871, 876, 938, 949, 1022, 1029, 1092, 1274, 1372, 1407, 1533, 1742, 1876, 1898, 1911, 2044, 2058, 2548, 2613, 2814, 2847, 3066, 3283, 3484, 3577, 3796, 3822, 4116, 4459, 4891, 5226, 5628, 5694, 6097, 6132, 6566, 6643, 7154, 7644, 8918, 9782, 9849, 10452, 10731, 11388, 12194, 13132, 13286, 13377, 14308, 14673, 17836, 18291, 19564, 19698, 19929, 21462, 22981, 24388, 25039, 26572, 26754, 29346, 34237, 36582, 39396, 39858, 42679, 42924, 45962, 46501, 50078, 53508, 58692, 63583, 68474, 68943, 73164, 75117, 79716, 85358, 91924, 93002, 100156, 102711, 127166, 128037, 136948, 137886, 139503, 150234, 170716, 186004, 190749, 205422, 239659, 254332, 256074, 275772, 279006, 298753, 300468, 325507, 381498, 410844, 445081, 479318, 512148, 558012, 597506, 651014, 718977, 762996, 890162, 896259, 958636, 976521, 1195012, 1302028, 1335243, 1437954, 1677613, 1780324, 1792518, 1953042, 2670486, 2875908, 3115567, 3355226, 3585036, 3906084, 5032839, 5340972, 6231134, 6710452, 9346701, 10065678, 12462268, 18693402, 20131356, 21808969, 37386804, 43617938, 65426907, 87235876, 130853814, 261707628]

約数ペア:

[(1, 261707628), (2, 130853814), (3, 87235876), (4, 65426907), (6, 43617938), (7, 37386804), (12, 21808969), (13, 20131356), (14, 18693402), (21, 12462268), (26, 10065678), (28, 9346701), (39, 6710452), (42, 6231134), (49, 5340972), (52, 5032839), (67, 3906084), (73, 3585036), (78, 3355226), (84, 3115567), (91, 2875908), (98, 2670486), (134, 1953042), (146, 1792518), (147, 1780324), (156, 1677613), (182, 1437954), (196, 1335243), (201, 1302028), (219, 1195012), (268, 976521), (273, 958636), (292, 896259), (294, 890162), (343, 762996), (364, 718977), (402, 651014), (438, 597506), (469, 558012), (511, 512148), (546, 479318), (588, 445081), (637, 410844), (686, 381498), (804, 325507), (871, 300468), (876, 298753), (938, 279006), (949, 275772), (1022, 256074), (1029, 254332), (1092, 239659), (1274, 205422), (1372, 190749), (1407, 186004), (1533, 170716), (1742, 150234), (1876, 139503), (1898, 137886), (1911, 136948), (2044, 128037), (2058, 127166), (2548, 102711), (2613, 100156), (2814, 93002), (2847, 91924), (3066, 85358), (3283, 79716), (3484, 75117), (3577, 73164), (3796, 68943), (3822, 68474), (4116, 63583), (4459, 58692), (4891, 53508), (5226, 50078), (5628, 46501), (5694, 45962), (6097, 42924), (6132, 42679), (6566, 39858), (6643, 39396), (7154, 36582), (7644, 34237), (8918, 29346), (9782, 26754), (9849, 26572), (10452, 25039), (10731, 24388), (11388, 22981), (12194, 21462), (13132, 19929), (13286, 19698), (13377, 19564), (14308, 18291), (14673, 17836)]