1281124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 2455488

約数和(自身を除く): 1174364

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 347, 694, 923, 1388, 1846, 3692, 4511, 9022, 18044, 24637, 49274, 98548, 320281, 640562, 1281124]

約数ペア:

[(1, 1281124), (2, 640562), (4, 320281), (13, 98548), (26, 49274), (52, 24637), (71, 18044), (142, 9022), (284, 4511), (347, 3692), (694, 1846), (923, 1388)]