397804813

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{8747}}^1$

素因数の和:8916

約数の個数: 16

約数和(自身を含む): 466093440

約数和(自身を除く): 68288627

約数列:

[1, 7, 73, 89, 511, 623, 6497, 8747, 45479, 61229, 638531, 778483, 4469717, 5449381, 56829259, 397804813]

約数ペア:

[(1, 397804813), (7, 56829259), (73, 5449381), (89, 4469717), (511, 778483), (623, 638531), (6497, 61229), (8747, 45479)]