28271243

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 38664192

約数和(自身を除く): 10392949

約数列:

[1, 7, 11, 13, 61, 77, 91, 143, 427, 463, 671, 793, 1001, 3241, 4697, 5093, 5551, 6019, 8723, 28243, 35651, 42133, 61061, 66209, 197701, 310673, 367159, 463463, 2174711, 2570113, 4038749, 28271243]

約数ペア:

[(1, 28271243), (7, 4038749), (11, 2570113), (13, 2174711), (61, 463463), (77, 367159), (91, 310673), (143, 197701), (427, 66209), (463, 61061), (671, 42133), (793, 35651), (1001, 28243), (3241, 8723), (4697, 6019), (5093, 5551)]