28439075

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1609}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 40726560

約数和(自身を除く): 12287485

約数列:

[1, 5, 7, 25, 35, 101, 175, 505, 707, 1609, 2525, 3535, 8045, 11263, 17675, 40225, 56315, 162509, 281575, 812545, 1137563, 4062725, 5687815, 28439075]

約数ペア:

[(1, 28439075), (5, 5687815), (7, 4062725), (25, 1137563), (35, 812545), (101, 281575), (175, 162509), (505, 56315), (707, 40225), (1609, 17675), (2525, 11263), (3535, 8045)]