399715706866

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2557}}^1\times {\mathrm{183047}}^1$

素因数の和:185674

約数の個数: 32

約数和(自身を含む): 696736334592

約数和(自身を除く): 297020627726

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 2557, 5114, 17899, 35798, 155977, 183047, 311954, 366094, 1091839, 1281329, 2183678, 2562658, 11165867, 22331734, 78161069, 156322138, 468051179, 936102358, 3276358253, 6552716506, 28551121919, 57102243838, 199857853433, 399715706866]

約数ペア:

[(1, 399715706866), (2, 199857853433), (7, 57102243838), (14, 28551121919), (61, 6552716506), (122, 3276358253), (427, 936102358), (854, 468051179), (2557, 156322138), (5114, 78161069), (17899, 22331734), (35798, 11165867), (155977, 2562658), (183047, 2183678), (311954, 1281329), (366094, 1091839)]