251159675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 351144192

約数和(自身を除く): 99984517

約数列:

[1, 5, 13, 25, 31, 65, 97, 155, 257, 325, 403, 485, 775, 1261, 1285, 2015, 2425, 3007, 3341, 6305, 6425, 7967, 10075, 15035, 16705, 24929, 31525, 39091, 39835, 75175, 83525, 103571, 124645, 195455, 199175, 324077, 517855, 623225, 772799, 977275, 1620385, 2589275, 3863995, 8101925, 10046387, 19319975, 50231935, 251159675]

約数ペア:

[(1, 251159675), (5, 50231935), (13, 19319975), (25, 10046387), (31, 8101925), (65, 3863995), (97, 2589275), (155, 1620385), (257, 977275), (325, 772799), (403, 623225), (485, 517855), (775, 324077), (1261, 199175), (1285, 195455), (2015, 124645), (2425, 103571), (3007, 83525), (3341, 75175), (6305, 39835), (6425, 39091), (7967, 31525), (10075, 24929), (15035, 16705)]