28378355

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 37134720

約数和(自身を除く): 8756365

約数列:

[1, 5, 17, 41, 85, 205, 289, 479, 697, 1445, 2395, 3485, 8143, 11849, 19639, 40715, 59245, 98195, 138431, 333863, 692155, 1669315, 5675671, 28378355]

約数ペア:

[(1, 28378355), (5, 5675671), (17, 1669315), (41, 692155), (85, 333863), (205, 138431), (289, 98195), (479, 59245), (697, 40715), (1445, 19639), (2395, 11849), (3485, 8143)]