77980955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70571}}^1$

素因数の和:70606

約数の個数: 16

約数和(自身を含む): 106704864

約数和(自身を除く): 28723909

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 70571, 352855, 917423, 1199707, 4587115, 5998535, 15596191, 77980955]

約数ペア:

[(1, 77980955), (5, 15596191), (13, 5998535), (17, 4587115), (65, 1199707), (85, 917423), (221, 352855), (1105, 70571)]