209105617

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 254741760

約数和(自身を除く): 45636143

約数列:

[1, 7, 41, 53, 59, 233, 287, 371, 413, 1631, 2173, 2419, 3127, 9553, 12349, 13747, 15211, 16933, 21889, 66871, 86443, 96229, 128207, 506309, 563627, 728591, 897449, 3544163, 3945389, 5100137, 29872231, 209105617]

約数ペア:

[(1, 209105617), (7, 29872231), (41, 5100137), (53, 3945389), (59, 3544163), (233, 897449), (287, 728591), (371, 563627), (413, 506309), (1631, 128207), (2173, 96229), (2419, 86443), (3127, 66871), (9553, 21889), (12349, 16933), (13747, 15211)]