31090964

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 55272000

約数和(自身を除く): 24181036

約数列:

[1, 2, 4, 139, 199, 278, 281, 398, 556, 562, 796, 1124, 27661, 39059, 55322, 55919, 78118, 110644, 111838, 156236, 223676, 7772741, 15545482, 31090964]

約数ペア:

[(1, 31090964), (2, 15545482), (4, 7772741), (139, 223676), (199, 156236), (278, 111838), (281, 110644), (398, 78118), (556, 55919), (562, 55322), (796, 39059), (1124, 27661)]