13268815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 19408896

約数和(自身を除く): 6140081

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 265, 311, 371, 805, 1219, 1555, 1855, 2177, 6095, 7153, 8533, 10885, 16483, 35765, 42665, 50071, 82415, 115381, 250355, 379109, 576905, 1895545, 2653763, 13268815]

約数ペア:

[(1, 13268815), (5, 2653763), (7, 1895545), (23, 576905), (35, 379109), (53, 250355), (115, 115381), (161, 82415), (265, 50071), (311, 42665), (371, 35765), (805, 16483), (1219, 10885), (1555, 8533), (1855, 7153), (2177, 6095)]