811860505

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{5879}}^1$

素因数の和:6344

約数の個数: 16

約数和(自身を含む): 990662400

約数和(自身を除く): 178801895

約数列:

[1, 5, 71, 355, 389, 1945, 5879, 27619, 29395, 138095, 417409, 2087045, 2286931, 11434655, 162372101, 811860505]

約数ペア:

[(1, 811860505), (5, 162372101), (71, 11434655), (355, 2286931), (389, 2087045), (1945, 417409), (5879, 138095), (27619, 29395)]