645337007

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 779856000

約数和(自身を除く): 134518993

約数列:

[1, 7, 41, 49, 109, 287, 343, 421, 763, 2009, 2947, 4469, 5341, 14063, 17261, 20629, 31283, 37387, 45889, 120827, 144403, 218981, 321223, 845789, 1532867, 1881449, 2248561, 5920523, 13170143, 15739927, 92191001, 645337007]

約数ペア:

[(1, 645337007), (7, 92191001), (41, 15739927), (49, 13170143), (109, 5920523), (287, 2248561), (343, 1881449), (421, 1532867), (763, 845789), (2009, 321223), (2947, 218981), (4469, 144403), (5341, 120827), (14063, 45889), (17261, 37387), (20629, 31283)]