1900802215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1720183}}^1$

素因数の和:1720218

約数の個数: 16

約数和(自身を含む): 2600918208

約数和(自身を除く): 700115993

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1720183, 8600915, 22362379, 29243111, 111811895, 146215555, 380160443, 1900802215]

約数ペア:

[(1, 1900802215), (5, 380160443), (13, 146215555), (17, 111811895), (65, 29243111), (85, 22362379), (221, 8600915), (1105, 1720183)]