31084625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 47803392

約数和(自身を除く): 16718767

約数列:

[1, 5, 11, 13, 25, 37, 47, 55, 65, 125, 143, 185, 235, 275, 325, 407, 481, 517, 611, 715, 925, 1175, 1375, 1625, 1739, 2035, 2405, 2585, 3055, 3575, 4625, 5291, 5875, 6721, 8695, 10175, 12025, 12925, 15275, 17875, 19129, 22607, 26455, 33605, 43475, 50875, 60125, 64625, 76375, 95645, 113035, 132275, 168025, 217375, 248677, 478225, 565175, 661375, 840125, 1243385, 2391125, 2825875, 6216925, 31084625]

約数ペア:

[(1, 31084625), (5, 6216925), (11, 2825875), (13, 2391125), (25, 1243385), (37, 840125), (47, 661375), (55, 565175), (65, 478225), (125, 248677), (143, 217375), (185, 168025), (235, 132275), (275, 113035), (325, 95645), (407, 76375), (481, 64625), (517, 60125), (611, 50875), (715, 43475), (925, 33605), (1175, 26455), (1375, 22607), (1625, 19129), (1739, 17875), (2035, 15275), (2405, 12925), (2585, 12025), (3055, 10175), (3575, 8695), (4625, 6721), (5291, 5875)]