306728305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{809}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 419126400

約数和(自身を除く): 112398095

約数列:

[1, 5, 13, 19, 65, 95, 247, 307, 809, 1235, 1535, 3991, 4045, 5833, 10517, 15371, 19955, 29165, 52585, 75829, 76855, 199823, 248363, 379145, 999115, 1241815, 3228719, 4718897, 16143595, 23594485, 61345661, 306728305]

約数ペア:

[(1, 306728305), (5, 61345661), (13, 23594485), (19, 16143595), (65, 4718897), (95, 3228719), (247, 1241815), (307, 999115), (809, 379145), (1235, 248363), (1535, 199823), (3991, 76855), (4045, 75829), (5833, 52585), (10517, 29165), (15371, 19955)]