639753608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{6151477}}^1$

素因数の和:6151496

約数の個数: 16

約数和(自身を含む): 1291810380

約数和(自身を除く): 652056772

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 6151477, 12302954, 24605908, 49211816, 79969201, 159938402, 319876804, 639753608]

約数ペア:

[(1, 639753608), (2, 319876804), (4, 159938402), (8, 79969201), (13, 49211816), (26, 24605908), (52, 12302954), (104, 6151477)]