209877964

素因数分解:

$2^2\times {\mathrm{10861}}^1\times {\mathrm{4831}}^1$

素因数の和:15696

約数の個数: 12

約数和(自身を含む): 367396288

約数和(自身を除く): 157518324

約数列:

[1, 2, 4, 4831, 9662, 10861, 19324, 21722, 43444, 52469491, 104938982, 209877964]

約数ペア:

[(1, 209877964), (2, 104938982), (4, 52469491), (4831, 43444), (9662, 21722), (10861, 19324)]