81479788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{9613}}^1$

素因数の和:9793

約数の個数: 24

約数和(自身を含む): 154516208

約数和(自身を除く): 73036420

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 9613, 19226, 38452, 124969, 249938, 499876, 1566919, 3133838, 6267676, 20369947, 40739894, 81479788]

約数ペア:

[(1, 81479788), (2, 40739894), (4, 20369947), (13, 6267676), (26, 3133838), (52, 1566919), (163, 499876), (326, 249938), (652, 124969), (2119, 38452), (4238, 19226), (8476, 9613)]