17291975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 24909120

約数和(自身を除く): 7617145

約数列:

[1, 5, 17, 23, 25, 29, 61, 85, 115, 145, 305, 391, 425, 493, 575, 667, 725, 1037, 1403, 1525, 1769, 1955, 2465, 3335, 5185, 7015, 8845, 9775, 11339, 12325, 16675, 23851, 25925, 30073, 35075, 40687, 44225, 56695, 119255, 150365, 203435, 283475, 596275, 691679, 751825, 1017175, 3458395, 17291975]

約数ペア:

[(1, 17291975), (5, 3458395), (17, 1017175), (23, 751825), (25, 691679), (29, 596275), (61, 283475), (85, 203435), (115, 150365), (145, 119255), (305, 56695), (391, 44225), (425, 40687), (493, 35075), (575, 30073), (667, 25925), (725, 23851), (1037, 16675), (1403, 12325), (1525, 11339), (1769, 9775), (1955, 8845), (2465, 7015), (3335, 5185)]