639422012

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{4320419}}^1$

素因数の和:4320460

約数の個数: 12

約数和(自身を含む): 1149231720

約数和(自身を除く): 509809708

約数列:

[1, 2, 4, 37, 74, 148, 4320419, 8640838, 17281676, 159855503, 319711006, 639422012]

約数ペア:

[(1, 639422012), (2, 319711006), (4, 159855503), (37, 17281676), (74, 8640838), (148, 4320419)]