221377324

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{255043}}^1$

素因数の和:255085

約数の個数: 24

約数和(自身を含む): 457038848

約数和(自身を除く): 235661524

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 255043, 510086, 1020172, 1785301, 3570602, 7141204, 7906333, 15812666, 31625332, 55344331, 110688662, 221377324]

約数ペア:

[(1, 221377324), (2, 110688662), (4, 55344331), (7, 31625332), (14, 15812666), (28, 7906333), (31, 7141204), (62, 3570602), (124, 1785301), (217, 1020172), (434, 510086), (868, 255043)]