28088975

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 35933712

約数和(自身を除く): 7844737

約数列:

[1, 5, 25, 61, 113, 163, 305, 565, 815, 1525, 2825, 4075, 6893, 9943, 18419, 34465, 49715, 92095, 172325, 248575, 460475, 1123559, 5617795, 28088975]

約数ペア:

[(1, 28088975), (5, 5617795), (25, 1123559), (61, 460475), (113, 248575), (163, 172325), (305, 92095), (565, 49715), (815, 34465), (1525, 18419), (2825, 9943), (4075, 6893)]