15221890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 13082750

約数列:

[1, 2, 5, 10, 47, 94, 139, 233, 235, 278, 466, 470, 695, 1165, 1390, 2330, 6533, 10951, 13066, 21902, 32387, 32665, 54755, 64774, 65330, 109510, 161935, 323870, 1522189, 3044378, 7610945, 15221890]

約数ペア:

[(1, 15221890), (2, 7610945), (5, 3044378), (10, 1522189), (47, 323870), (94, 161935), (139, 109510), (233, 65330), (235, 64774), (278, 54755), (466, 32665), (470, 32387), (695, 21902), (1165, 13066), (1390, 10951), (2330, 6533)]