219315265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{78467}}^1$

素因数の和:78528

約数の個数: 16

約数和(自身を含む): 290017728

約数和(自身を除く): 70702463

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 78467, 392335, 1020071, 3374081, 5100355, 16870405, 43863053, 219315265]

約数ペア:

[(1, 219315265), (5, 43863053), (13, 16870405), (43, 5100355), (65, 3374081), (215, 1020071), (559, 392335), (2795, 78467)]