487242868

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 1022372064

約数和(自身を除く): 535129196

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 83, 98, 122, 166, 196, 244, 332, 427, 491, 581, 854, 982, 1162, 1708, 1964, 2324, 2989, 3437, 4067, 5063, 5978, 6874, 8134, 10126, 11956, 13748, 16268, 20252, 24059, 29951, 35441, 40753, 48118, 59902, 70882, 81506, 96236, 119804, 141764, 163012, 209657, 248087, 285271, 419314, 496174, 570542, 838628, 992348, 1141084, 1467599, 1996897, 2485933, 2935198, 3993794, 4971866, 5870396, 7987588, 9943732, 17401531, 34803062, 69606124, 121810717, 243621434, 487242868]

約数ペア:

[(1, 487242868), (2, 243621434), (4, 121810717), (7, 69606124), (14, 34803062), (28, 17401531), (49, 9943732), (61, 7987588), (83, 5870396), (98, 4971866), (122, 3993794), (166, 2935198), (196, 2485933), (244, 1996897), (332, 1467599), (427, 1141084), (491, 992348), (581, 838628), (854, 570542), (982, 496174), (1162, 419314), (1708, 285271), (1964, 248087), (2324, 209657), (2989, 163012), (3437, 141764), (4067, 119804), (5063, 96236), (5978, 81506), (6874, 70882), (8134, 59902), (10126, 48118), (11956, 40753), (13748, 35441), (16268, 29951), (20252, 24059)]