1640672272

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3307807}}^1$

素因数の和:3307846

約数の個数: 20

約数和(自身を含む): 3281345536

約数和(自身を除く): 1640673264

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3307807, 6615614, 13231228, 26462456, 52924912, 102542017, 205084034, 410168068, 820336136, 1640672272]

約数ペア:

[(1, 1640672272), (2, 820336136), (4, 410168068), (8, 205084034), (16, 102542017), (31, 52924912), (62, 26462456), (124, 13231228), (248, 6615614), (496, 3307807)]