70866290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{644239}}^1$

素因数の和:644257

約数の個数: 16

約数和(自身を含む): 139155840

約数和(自身を除く): 68289550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 644239, 1288478, 3221195, 6442390, 7086629, 14173258, 35433145, 70866290]

約数ペア:

[(1, 70866290), (2, 35433145), (5, 14173258), (10, 7086629), (11, 6442390), (22, 3221195), (55, 1288478), (110, 644239)]