205123724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{64667}}^1$

素因数の和:64745

約数の個数: 24

約数和(自身を含む): 392922768

約数和(自身を除く): 187799044

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 64667, 129334, 258668, 840671, 1681342, 3362684, 3944687, 7889374, 15778748, 51280931, 102561862, 205123724]

約数ペア:

[(1, 205123724), (2, 102561862), (4, 51280931), (13, 15778748), (26, 7889374), (52, 3944687), (61, 3362684), (122, 1681342), (244, 840671), (793, 258668), (1586, 129334), (3172, 64667)]