78491844

素因数分解:

$2^2\times 3^2\times {\mathrm{2180329}}^1$

素因数の和:2180339

約数の個数: 18

約数和(自身を含む): 198410030

約数和(自身を除く): 119918186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2180329, 4360658, 6540987, 8721316, 13081974, 19622961, 26163948, 39245922, 78491844]

約数ペア:

[(1, 78491844), (2, 39245922), (3, 26163948), (4, 19622961), (6, 13081974), (9, 8721316), (12, 6540987), (18, 4360658), (36, 2180329)]