8996988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 28957824

約数和(自身を除く): 19960836

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 49, 52, 66, 77, 78, 84, 91, 98, 107, 132, 143, 147, 154, 156, 182, 196, 214, 231, 273, 286, 294, 308, 321, 364, 428, 429, 462, 539, 546, 572, 588, 637, 642, 749, 858, 924, 1001, 1078, 1092, 1177, 1274, 1284, 1391, 1498, 1617, 1716, 1911, 2002, 2156, 2247, 2354, 2548, 2782, 2996, 3003, 3234, 3531, 3822, 4004, 4173, 4494, 4708, 5243, 5564, 6006, 6468, 7007, 7062, 7644, 8239, 8346, 8988, 9737, 10486, 12012, 14014, 14124, 15301, 15729, 16478, 16692, 19474, 20972, 21021, 24717, 28028, 29211, 30602, 31458, 32956, 38948, 42042, 45903, 49434, 57673, 58422, 61204, 62916, 68159, 84084, 91806, 98868, 107107, 115346, 116844, 136318, 173019, 183612, 204477, 214214, 230692, 272636, 321321, 346038, 408954, 428428, 642642, 692076, 749749, 817908, 1285284, 1499498, 2249247, 2998996, 4498494, 8996988]

約数ペア:

[(1, 8996988), (2, 4498494), (3, 2998996), (4, 2249247), (6, 1499498), (7, 1285284), (11, 817908), (12, 749749), (13, 692076), (14, 642642), (21, 428428), (22, 408954), (26, 346038), (28, 321321), (33, 272636), (39, 230692), (42, 214214), (44, 204477), (49, 183612), (52, 173019), (66, 136318), (77, 116844), (78, 115346), (84, 107107), (91, 98868), (98, 91806), (107, 84084), (132, 68159), (143, 62916), (147, 61204), (154, 58422), (156, 57673), (182, 49434), (196, 45903), (214, 42042), (231, 38948), (273, 32956), (286, 31458), (294, 30602), (308, 29211), (321, 28028), (364, 24717), (428, 21021), (429, 20972), (462, 19474), (539, 16692), (546, 16478), (572, 15729), (588, 15301), (637, 14124), (642, 14014), (749, 12012), (858, 10486), (924, 9737), (1001, 8988), (1078, 8346), (1092, 8239), (1177, 7644), (1274, 7062), (1284, 7007), (1391, 6468), (1498, 6006), (1617, 5564), (1716, 5243), (1911, 4708), (2002, 4494), (2156, 4173), (2247, 4004), (2354, 3822), (2548, 3531), (2782, 3234), (2996, 3003)]