157055555

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{1783}}^1$

素因数の和:2090

約数の個数: 16

約数和(自身を含む): 191815680

約数和(自身を除く): 34760125

約数列:

[1, 5, 79, 223, 395, 1115, 1783, 8915, 17617, 88085, 140857, 397609, 704285, 1988045, 31411111, 157055555]

約数ペア:

[(1, 157055555), (5, 31411111), (79, 1988045), (223, 704285), (395, 397609), (1115, 140857), (1783, 88085), (8915, 17617)]