647942404

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1171}}^1\times {\mathrm{3217}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 1161620768

約数和(自身を除く): 513678364

約数列:

[1, 2, 4, 43, 86, 172, 1171, 2342, 3217, 4684, 6434, 12868, 50353, 100706, 138331, 201412, 276662, 553324, 3767107, 7534214, 15068428, 161985601, 323971202, 647942404]

約数ペア:

[(1, 647942404), (2, 323971202), (4, 161985601), (43, 15068428), (86, 7534214), (172, 3767107), (1171, 553324), (2342, 276662), (3217, 201412), (4684, 138331), (6434, 100706), (12868, 50353)]