68749475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 90089472

約数和(自身を除く): 21339997

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 2063, 6665, 10315, 33325, 51575, 63953, 88709, 319765, 443545, 1598825, 2217725, 2749979, 13749895, 68749475]

約数ペア:

[(1, 68749475), (5, 13749895), (25, 2749979), (31, 2217725), (43, 1598825), (155, 443545), (215, 319765), (775, 88709), (1075, 63953), (1333, 51575), (2063, 33325), (6665, 10315)]