129631375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 174680064

約数和(自身を除く): 45048689

約数列:

[1, 5, 17, 25, 53, 85, 125, 265, 425, 901, 1151, 1325, 2125, 4505, 5755, 6625, 19567, 22525, 28775, 61003, 97835, 112625, 143875, 305015, 489175, 1037051, 1525075, 2445875, 5185255, 7625375, 25926275, 129631375]

約数ペア:

[(1, 129631375), (5, 25926275), (17, 7625375), (25, 5185255), (53, 2445875), (85, 1525075), (125, 1037051), (265, 489175), (425, 305015), (901, 143875), (1151, 112625), (1325, 97835), (2125, 61003), (4505, 28775), (5755, 22525), (6625, 19567)]