12987948

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{12161}}^1$

素因数の和:12257

約数の個数: 24

約数和(自身を含む): 30648240

約数和(自身を除く): 17660292

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 12161, 24322, 36483, 48644, 72966, 145932, 1082329, 2164658, 3246987, 4329316, 6493974, 12987948]

約数ペア:

[(1, 12987948), (2, 6493974), (3, 4329316), (4, 3246987), (6, 2164658), (12, 1082329), (89, 145932), (178, 72966), (267, 48644), (356, 36483), (534, 24322), (1068, 12161)]