64820816

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{21211}}^1$

素因数の和:21410

約数の個数: 20

約数和(自身を含む): 126253824

約数和(自身を除く): 61433008

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 21211, 42422, 84844, 169688, 339376, 4051301, 8102602, 16205204, 32410408, 64820816]

約数ペア:

[(1, 64820816), (2, 32410408), (4, 16205204), (8, 8102602), (16, 4051301), (191, 339376), (382, 169688), (764, 84844), (1528, 42422), (3056, 21211)]