78540804

素因数分解:

$2^2\times 3^2\times {\mathrm{2181689}}^1$

素因数の和:2181699

約数の個数: 18

約数和(自身を含む): 198533790

約数和(自身を除く): 119992986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2181689, 4363378, 6545067, 8726756, 13090134, 19635201, 26180268, 39270402, 78540804]

約数ペア:

[(1, 78540804), (2, 39270402), (3, 26180268), (4, 19635201), (6, 13090134), (9, 8726756), (12, 6545067), (18, 4363378), (36, 2181689)]