256315090

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{66923}}^1$

素因数の和:67313

約数の個数: 16

約数和(自身を含む): 462578688

約数和(自身を除く): 206263598

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 66923, 133846, 334615, 669230, 25631509, 51263018, 128157545, 256315090]

約数ペア:

[(1, 256315090), (2, 128157545), (5, 51263018), (10, 25631509), (383, 669230), (766, 334615), (1915, 133846), (3830, 66923)]