42520765

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 62853120

約数和(自身を除く): 20332355

約数列:

[1, 5, 7, 19, 35, 43, 95, 133, 215, 301, 665, 817, 1487, 1505, 4085, 5719, 7435, 10409, 28253, 28595, 52045, 63941, 141265, 197771, 319705, 447587, 988855, 1214879, 2237935, 6074395, 8504153, 42520765]

約数ペア:

[(1, 42520765), (5, 8504153), (7, 6074395), (19, 2237935), (35, 1214879), (43, 988855), (95, 447587), (133, 319705), (215, 197771), (301, 141265), (665, 63941), (817, 52045), (1487, 28595), (1505, 28253), (4085, 10409), (5719, 7435)]