64972798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{21557}}^1$

素因数の和:21707

約数の個数: 16

約数和(自身を含む): 107100144

約数和(自身を除く): 42127346

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 21557, 43114, 237127, 474254, 2953309, 5906618, 32486399, 64972798]

約数ペア:

[(1, 64972798), (2, 32486399), (11, 5906618), (22, 2953309), (137, 474254), (274, 237127), (1507, 43114), (3014, 21557)]