2009503405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1\times {\mathrm{2477}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 2970745344

約数和(自身を除く): 961241939

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1783, 2477, 8915, 12385, 12481, 17339, 23179, 32201, 62405, 86695, 115895, 161005, 162253, 225407, 811265, 1127035, 4416491, 22082455, 30915437, 57414383, 154577185, 287071915, 401900681, 2009503405]

約数ペア:

[(1, 2009503405), (5, 401900681), (7, 287071915), (13, 154577185), (35, 57414383), (65, 30915437), (91, 22082455), (455, 4416491), (1783, 1127035), (2477, 811265), (8915, 225407), (12385, 162253), (12481, 161005), (17339, 115895), (23179, 86695), (32201, 62405)]