861204

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 2057440

約数和(自身を除く): 1196236

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1669, 3338, 5007, 6676, 10014, 20028, 71767, 143534, 215301, 287068, 430602, 861204]

約数ペア:

[(1, 861204), (2, 430602), (3, 287068), (4, 215301), (6, 143534), (12, 71767), (43, 20028), (86, 10014), (129, 6676), (172, 5007), (258, 3338), (516, 1669)]