397520734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{34513}}^1$

素因数の和:34971

約数の個数: 16

約数和(自身を含む): 643617072

約数和(自身を除く): 246096338

約数列:

[1, 2, 13, 26, 443, 886, 5759, 11518, 34513, 69026, 448669, 897338, 15289259, 30578518, 198760367, 397520734]

約数ペア:

[(1, 397520734), (2, 198760367), (13, 30578518), (26, 15289259), (443, 897338), (886, 448669), (5759, 69026), (11518, 34513)]