720049967

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 901084800

約数和(自身を除く): 181034833

約数列:

[1, 7, 13, 91, 109, 229, 317, 763, 1417, 1603, 2219, 2977, 4121, 9919, 20839, 24961, 28847, 34553, 72593, 174727, 241871, 324493, 449189, 508151, 943709, 2271451, 3144323, 6605963, 7912637, 55388459, 102864281, 720049967]

約数ペア:

[(1, 720049967), (7, 102864281), (13, 55388459), (91, 7912637), (109, 6605963), (229, 3144323), (317, 2271451), (763, 943709), (1417, 508151), (1603, 449189), (2219, 324493), (2977, 241871), (4121, 174727), (9919, 72593), (20839, 34553), (24961, 28847)]