291225454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{21499}}^1$

素因数の和:22035

約数の個数: 16

約数和(自身を含む): 471366000

約数和(自身を除く): 180140546

約数列:

[1, 2, 13, 26, 521, 1042, 6773, 13546, 21499, 42998, 279487, 558974, 11200979, 22401958, 145612727, 291225454]

約数ペア:

[(1, 291225454), (2, 145612727), (13, 22401958), (26, 11200979), (521, 558974), (1042, 279487), (6773, 42998), (13546, 21499)]