17928625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 28304640

約数和(自身を除く): 10376015

約数列:

[1, 5, 11, 13, 17, 25, 55, 59, 65, 85, 125, 143, 187, 221, 275, 295, 325, 425, 649, 715, 767, 935, 1003, 1105, 1375, 1475, 1625, 2125, 2431, 3245, 3575, 3835, 4675, 5015, 5525, 7375, 8437, 11033, 12155, 13039, 16225, 17875, 19175, 23375, 25075, 27625, 42185, 55165, 60775, 65195, 81125, 95875, 125375, 143429, 210925, 275825, 303875, 325975, 717145, 1054625, 1379125, 1629875, 3585725, 17928625]

約数ペア:

[(1, 17928625), (5, 3585725), (11, 1629875), (13, 1379125), (17, 1054625), (25, 717145), (55, 325975), (59, 303875), (65, 275825), (85, 210925), (125, 143429), (143, 125375), (187, 95875), (221, 81125), (275, 65195), (295, 60775), (325, 55165), (425, 42185), (649, 27625), (715, 25075), (767, 23375), (935, 19175), (1003, 17875), (1105, 16225), (1375, 13039), (1475, 12155), (1625, 11033), (2125, 8437), (2431, 7375), (3245, 5525), (3575, 5015), (3835, 4675)]