215765868

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{42709}}^1$

素因数の和:43137

約数の個数: 24

約数和(自身を含む): 504661360

約数和(自身を除く): 288895492

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 5052, 42709, 85418, 128127, 170836, 256254, 512508, 17980489, 35960978, 53941467, 71921956, 107882934, 215765868]

約数ペア:

[(1, 215765868), (2, 107882934), (3, 71921956), (4, 53941467), (6, 35960978), (12, 17980489), (421, 512508), (842, 256254), (1263, 170836), (1684, 128127), (2526, 85418), (5052, 42709)]