156913015

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 225570816

約数和(自身を除く): 68657801

約数列:

[1, 5, 7, 23, 35, 115, 161, 421, 463, 805, 2105, 2315, 2947, 3241, 9683, 10649, 14735, 16205, 48415, 53245, 67781, 74543, 194923, 338905, 372715, 974615, 1364461, 4483229, 6822305, 22416145, 31382603, 156913015]

約数ペア:

[(1, 156913015), (5, 31382603), (7, 22416145), (23, 6822305), (35, 4483229), (115, 1364461), (161, 974615), (421, 372715), (463, 338905), (805, 194923), (2105, 74543), (2315, 67781), (2947, 53245), (3241, 48415), (9683, 16205), (10649, 14735)]