68641775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 95946240

約数和(自身を除く): 27304465

約数列:

[1, 5, 19, 23, 25, 61, 95, 103, 115, 305, 437, 475, 515, 575, 1159, 1403, 1525, 1957, 2185, 2369, 2575, 5795, 6283, 7015, 9785, 10925, 11845, 26657, 28975, 31415, 35075, 45011, 48925, 59225, 119377, 133285, 144509, 157075, 225055, 596885, 666425, 722545, 1125275, 2745671, 2984425, 3612725, 13728355, 68641775]

約数ペア:

[(1, 68641775), (5, 13728355), (19, 3612725), (23, 2984425), (25, 2745671), (61, 1125275), (95, 722545), (103, 666425), (115, 596885), (305, 225055), (437, 157075), (475, 144509), (515, 133285), (575, 119377), (1159, 59225), (1403, 48925), (1525, 45011), (1957, 35075), (2185, 31415), (2369, 28975), (2575, 26657), (5795, 11845), (6283, 10925), (7015, 9785)]