256738097

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28019}}^1$

素因数の和:28061

約数の個数: 24

約数和(自身を含む): 344982240

約数和(自身を除く): 88244143

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 9163, 28019, 196133, 308209, 476323, 1372931, 2157463, 3334261, 5239553, 15102241, 23339827, 36676871, 256738097]

約数ペア:

[(1, 256738097), (7, 36676871), (11, 23339827), (17, 15102241), (49, 5239553), (77, 3334261), (119, 2157463), (187, 1372931), (539, 476323), (833, 308209), (1309, 196133), (9163, 28019)]