71820835

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 95577696

約数和(自身を除く): 23756861

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 1445, 1955, 2161, 6647, 10805, 33235, 36737, 49703, 183685, 248515, 624529, 844951, 3122645, 4224755, 14364167, 71820835]

約数ペア:

[(1, 71820835), (5, 14364167), (17, 4224755), (23, 3122645), (85, 844951), (115, 624529), (289, 248515), (391, 183685), (1445, 49703), (1955, 36737), (2161, 33235), (6647, 10805)]