87397475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1123}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 118748352

約数和(自身を除く): 31350877

約数列:

[1, 5, 11, 25, 55, 275, 283, 1123, 1415, 3113, 5615, 7075, 12353, 15565, 28075, 61765, 77825, 308825, 317809, 1589045, 3495899, 7945225, 17479495, 87397475]

約数ペア:

[(1, 87397475), (5, 17479495), (11, 7945225), (25, 3495899), (55, 1589045), (275, 317809), (283, 308825), (1123, 77825), (1415, 61765), (3113, 28075), (5615, 15565), (7075, 12353)]