639403774

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{268883}}^1$

素因数の和:268955

約数の個数: 16

約数和(自身を含む): 1016381520

約数和(自身を除く): 376977746

約数列:

[1, 2, 29, 41, 58, 82, 1189, 2378, 268883, 537766, 7797607, 11024203, 15595214, 22048406, 319701887, 639403774]

約数ペア:

[(1, 639403774), (2, 319701887), (29, 22048406), (41, 15595214), (58, 11024203), (82, 7797607), (1189, 537766), (2378, 268883)]