1880997688

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{558491}}^1$

素因数の和:558918

約数の個数: 16

約数和(自身を含む): 3535254360

約数和(自身を除く): 1654256672

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 558491, 1116982, 2233964, 4467928, 235124711, 470249422, 940498844, 1880997688]

約数ペア:

[(1, 1880997688), (2, 940498844), (4, 470249422), (8, 235124711), (421, 4467928), (842, 2233964), (1684, 1116982), (3368, 558491)]