28327975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 38247552

約数和(自身を除く): 9919577

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 863, 1313, 2525, 4315, 6565, 11219, 21575, 32825, 56095, 87163, 280475, 435815, 1133119, 2179075, 5665595, 28327975]

約数ペア:

[(1, 28327975), (5, 5665595), (13, 2179075), (25, 1133119), (65, 435815), (101, 280475), (325, 87163), (505, 56095), (863, 32825), (1313, 21575), (2525, 11219), (4315, 6565)]