397171628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457571}}^1$

素因数の和:457613

約数の個数: 24

約数和(自身を含む): 819969024

約数和(自身を除く): 422797396

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 457571, 915142, 1830284, 3202997, 6405994, 12811988, 14184701, 28369402, 56738804, 99292907, 198585814, 397171628]

約数ペア:

[(1, 397171628), (2, 198585814), (4, 99292907), (7, 56738804), (14, 28369402), (28, 14184701), (31, 12811988), (62, 6405994), (124, 3202997), (217, 1830284), (434, 915142), (868, 457571)]