16240805

素因数分解:

$5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 22872960

約数和(自身を除く): 6632155

約数列:

[1, 5, 7, 35, 49, 151, 245, 439, 755, 1057, 2195, 3073, 5285, 7399, 15365, 21511, 36995, 66289, 107555, 331445, 464023, 2320115, 3248161, 16240805]

約数ペア:

[(1, 16240805), (5, 3248161), (7, 2320115), (35, 464023), (49, 331445), (151, 107555), (245, 66289), (439, 36995), (755, 21511), (1057, 15365), (2195, 7399), (3073, 5285)]