77890345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70489}}^1$

素因数の和:70524

約数の個数: 16

約数和(自身を含む): 106580880

約数和(自身を除く): 28690535

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 70489, 352445, 916357, 1198313, 4581785, 5991565, 15578069, 77890345]

約数ペア:

[(1, 77890345), (5, 15578069), (13, 5991565), (17, 4581785), (65, 1198313), (85, 916357), (221, 352445), (1105, 70489)]