406615105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{329243}}^1$

素因数の和:329280

約数の個数: 16

約数和(自身を含む): 553129920

約数和(自身を除く): 146514815

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 329243, 1646215, 4280159, 6255617, 21400795, 31278085, 81323021, 406615105]

約数ペア:

[(1, 406615105), (5, 81323021), (13, 31278085), (19, 21400795), (65, 6255617), (95, 4280159), (247, 1646215), (1235, 329243)]