28408555

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26183}}^1$

素因数の和:26226

約数の個数: 16

約数和(自身を含む): 40218624

約数和(自身を除く): 11810069

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26183, 130915, 183281, 811673, 916405, 4058365, 5681711, 28408555]

約数ペア:

[(1, 28408555), (5, 5681711), (7, 4058365), (31, 916405), (35, 811673), (155, 183281), (217, 130915), (1085, 26183)]