8998015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 12378240

約数和(自身を除く): 3380225

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 479, 1105, 1445, 2395, 3757, 6227, 8143, 18785, 31135, 40715, 105859, 138431, 529295, 692155, 1799603, 8998015]

約数ペア:

[(1, 8998015), (5, 1799603), (13, 692155), (17, 529295), (65, 138431), (85, 105859), (221, 40715), (289, 31135), (479, 18785), (1105, 8143), (1445, 6227), (2395, 3757)]