645089764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{93383}}^1$

素因数の和:93555

約数の個数: 24

約数和(自身を含む): 1239392448

約数和(自身を除く): 594302684

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 93383, 186766, 373532, 1027213, 2054426, 4108852, 14661131, 29322262, 58644524, 161272441, 322544882, 645089764]

約数ペア:

[(1, 645089764), (2, 322544882), (4, 161272441), (11, 58644524), (22, 29322262), (44, 14661131), (157, 4108852), (314, 2054426), (628, 1027213), (1727, 373532), (3454, 186766), (6908, 93383)]