13728355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 18570240

約数和(自身を除く): 4841885

約数列:

[1, 5, 19, 23, 61, 95, 103, 115, 305, 437, 515, 1159, 1403, 1957, 2185, 2369, 5795, 6283, 7015, 9785, 11845, 26657, 31415, 45011, 119377, 133285, 144509, 225055, 596885, 722545, 2745671, 13728355]

約数ペア:

[(1, 13728355), (5, 2745671), (19, 722545), (23, 596885), (61, 225055), (95, 144509), (103, 133285), (115, 119377), (305, 45011), (437, 31415), (515, 26657), (1159, 11845), (1403, 9785), (1957, 7015), (2185, 6283), (2369, 5795)]