9820885

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 12741120

約数和(自身を除く): 2920235

約数列:

[1, 5, 23, 47, 79, 115, 235, 395, 529, 1081, 1817, 2645, 3713, 5405, 9085, 18565, 24863, 41791, 85399, 124315, 208955, 426995, 1964177, 9820885]

約数ペア:

[(1, 9820885), (5, 1964177), (23, 426995), (47, 208955), (79, 124315), (115, 85399), (235, 41791), (395, 24863), (529, 18565), (1081, 9085), (1817, 5405), (2645, 3713)]