213954436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{21841}}^1$

素因数の和:21955

約数の個数: 24

約数和(自身を含む): 391408640

約数和(自身を除く): 177454204

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2449, 4898, 9796, 21841, 43682, 87364, 677071, 1354142, 1725439, 2708284, 3450878, 6901756, 53488609, 106977218, 213954436]

約数ペア:

[(1, 213954436), (2, 106977218), (4, 53488609), (31, 6901756), (62, 3450878), (79, 2708284), (124, 1725439), (158, 1354142), (316, 677071), (2449, 87364), (4898, 43682), (9796, 21841)]