51638015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72221}}^1$

素因数の和:72250

約数の個数: 16

約数和(自身を含む): 72799776

約数和(自身を除く): 21161761

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 72221, 361105, 794431, 938873, 3972155, 4694365, 10327603, 51638015]

約数ペア:

[(1, 51638015), (5, 10327603), (11, 4694365), (13, 3972155), (55, 938873), (65, 794431), (143, 361105), (715, 72221)]