245870405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4457}}^1$

素因数の和:4549

約数の個数: 32

約数和(自身を含む): 346654080

約数和(自身を除く): 100783675

約数列:

[1, 5, 11, 17, 55, 59, 85, 187, 295, 649, 935, 1003, 3245, 4457, 5015, 11033, 22285, 49027, 55165, 75769, 245135, 262963, 378845, 833459, 1314815, 2892593, 4167295, 4470371, 14462965, 22351855, 49174081, 245870405]

約数ペア:

[(1, 245870405), (5, 49174081), (11, 22351855), (17, 14462965), (55, 4470371), (59, 4167295), (85, 2892593), (187, 1314815), (295, 833459), (649, 378845), (935, 262963), (1003, 245135), (3245, 75769), (4457, 55165), (5015, 49027), (11033, 22285)]