28269815

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6073}}^1$

素因数の和:6111

約数の個数: 24

約数和(自身を含む): 41546160

約数和(自身を除く): 13276345

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 6073, 30365, 42511, 115387, 212555, 297577, 576935, 807709, 1487885, 4038545, 5653963, 28269815]

約数ペア:

[(1, 28269815), (5, 5653963), (7, 4038545), (19, 1487885), (35, 807709), (49, 576935), (95, 297577), (133, 212555), (245, 115387), (665, 42511), (931, 30365), (4655, 6073)]