639036286

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1103}}^1\times {\mathrm{1427}}^1$

素因数の和:2568

約数の個数: 32

約数和(自身を含む): 1135088640

約数和(自身を除く): 496052354

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 1103, 1427, 2206, 2854, 7721, 9989, 15442, 19978, 31987, 41383, 63974, 82766, 223909, 289681, 447818, 579362, 1573981, 3147962, 11017867, 22035734, 45645449, 91290898, 319518143, 639036286]

約数ペア:

[(1, 639036286), (2, 319518143), (7, 91290898), (14, 45645449), (29, 22035734), (58, 11017867), (203, 3147962), (406, 1573981), (1103, 579362), (1427, 447818), (2206, 289681), (2854, 223909), (7721, 82766), (9989, 63974), (15442, 41383), (19978, 31987)]