218681188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{55843}}^1$

素因数の和:55947

約数の個数: 24

約数和(自身を含む): 422180640

約数和(自身を除く): 203499452

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 55843, 111686, 223372, 614273, 1228546, 2457092, 4970027, 9940054, 19880108, 54670297, 109340594, 218681188]

約数ペア:

[(1, 218681188), (2, 109340594), (4, 54670297), (11, 19880108), (22, 9940054), (44, 4970027), (89, 2457092), (178, 1228546), (356, 614273), (979, 223372), (1958, 111686), (3916, 55843)]