8628775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 11517120

約数和(自身を除く): 2888345

約数列:

[1, 5, 17, 25, 79, 85, 257, 395, 425, 1285, 1343, 1975, 4369, 6425, 6715, 20303, 21845, 33575, 101515, 109225, 345151, 507575, 1725755, 8628775]

約数ペア:

[(1, 8628775), (5, 1725755), (17, 507575), (25, 345151), (79, 109225), (85, 101515), (257, 33575), (395, 21845), (425, 20303), (1285, 6715), (1343, 6425), (1975, 4369)]