397465852

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{88169}}^1$

素因数の和:88210

約数の個数: 36

約数和(自身を含む): 844315920

約数和(自身を除く): 446850068

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 88169, 176338, 352676, 617183, 1234366, 2027887, 2468732, 4055774, 4320281, 8111548, 8640562, 14195209, 17281124, 28390418, 56780836, 99366463, 198732926, 397465852]

約数ペア:

[(1, 397465852), (2, 198732926), (4, 99366463), (7, 56780836), (14, 28390418), (23, 17281124), (28, 14195209), (46, 8640562), (49, 8111548), (92, 4320281), (98, 4055774), (161, 2468732), (196, 2027887), (322, 1234366), (644, 617183), (1127, 352676), (2254, 176338), (4508, 88169)]