53380405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43223}}^1$

素因数の和:43260

約数の個数: 16

約数和(自身を含む): 72616320

約数和(自身を除く): 19235915

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 43223, 216115, 561899, 821237, 2809495, 4106185, 10676081, 53380405]

約数ペア:

[(1, 53380405), (5, 10676081), (13, 4106185), (19, 2809495), (65, 821237), (95, 561899), (247, 216115), (1235, 43223)]