2008706609

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 2506775040

約数和(自身を除く): 498068431

約数列:

[1, 7, 13, 91, 109, 313, 647, 763, 1417, 2191, 4069, 4529, 8411, 9919, 28483, 34117, 58877, 70523, 202511, 238819, 443521, 493661, 916799, 1417577, 2632643, 3104647, 6417593, 18428501, 22073699, 154515893, 286958087, 2008706609]

約数ペア:

[(1, 2008706609), (7, 286958087), (13, 154515893), (91, 22073699), (109, 18428501), (313, 6417593), (647, 3104647), (763, 2632643), (1417, 1417577), (2191, 916799), (4069, 493661), (4529, 443521), (8411, 238819), (9919, 202511), (28483, 70523), (34117, 58877)]