4421105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4036

約数の個数: 16

約数和(自身を含む): 6051024

約数和(自身を除く): 1629919

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 4001, 20005, 52013, 68017, 260065, 340085, 884221, 4421105]

約数ペア:

[(1, 4421105), (5, 884221), (13, 340085), (17, 260065), (65, 68017), (85, 52013), (221, 20005), (1105, 4001)]