78213515

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 100794240

約数和(自身を除く): 22580725

約数列:

[1, 5, 17, 85, 113, 289, 479, 565, 1445, 1921, 2395, 8143, 9605, 32657, 40715, 54127, 138431, 163285, 270635, 692155, 920159, 4600795, 15642703, 78213515]

約数ペア:

[(1, 78213515), (5, 15642703), (17, 4600795), (85, 920159), (113, 692155), (289, 270635), (479, 163285), (565, 138431), (1445, 54127), (1921, 40715), (2395, 32657), (8143, 9605)]