51813905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72467}}^1$

素因数の和:72496

約数の個数: 16

約数和(自身を含む): 73047744

約数和(自身を除く): 21233839

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 72467, 362335, 797137, 942071, 3985685, 4710355, 10362781, 51813905]

約数ペア:

[(1, 51813905), (5, 10362781), (11, 4710355), (13, 3985685), (55, 942071), (65, 797137), (143, 362335), (715, 72467)]