221129324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137177}}^1$

素因数の和:137225

約数の個数: 24

約数和(自身を含む): 430190208

約数和(自身を除く): 209060884

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 137177, 274354, 548708, 1783301, 3566602, 4252487, 7133204, 8504974, 17009948, 55282331, 110564662, 221129324]

約数ペア:

[(1, 221129324), (2, 110564662), (4, 55282331), (13, 17009948), (26, 8504974), (31, 7133204), (52, 4252487), (62, 3566602), (124, 1783301), (403, 548708), (806, 274354), (1612, 137177)]