86459875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 125349120

約数和(自身を除く): 38889245

約数列:

[1, 5, 17, 23, 25, 29, 61, 85, 115, 125, 145, 305, 391, 425, 493, 575, 667, 725, 1037, 1403, 1525, 1769, 1955, 2125, 2465, 2875, 3335, 3625, 5185, 7015, 7625, 8845, 9775, 11339, 12325, 16675, 23851, 25925, 30073, 35075, 40687, 44225, 48875, 56695, 61625, 83375, 119255, 129625, 150365, 175375, 203435, 221125, 283475, 596275, 691679, 751825, 1017175, 1417375, 2981375, 3458395, 3759125, 5085875, 17291975, 86459875]

約数ペア:

[(1, 86459875), (5, 17291975), (17, 5085875), (23, 3759125), (25, 3458395), (29, 2981375), (61, 1417375), (85, 1017175), (115, 751825), (125, 691679), (145, 596275), (305, 283475), (391, 221125), (425, 203435), (493, 175375), (575, 150365), (667, 129625), (725, 119255), (1037, 83375), (1403, 61625), (1525, 56695), (1769, 48875), (1955, 44225), (2125, 40687), (2465, 35075), (2875, 30073), (3335, 25925), (3625, 23851), (5185, 16675), (7015, 12325), (7625, 11339), (8845, 9775)]