207870509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 67918291

約数列:

[1, 7, 11, 17, 77, 119, 187, 379, 419, 1309, 2653, 2933, 4169, 4609, 6443, 7123, 29183, 32263, 45101, 49861, 70873, 78353, 158801, 496111, 548471, 1111607, 1746811, 2699617, 12227677, 18897319, 29695787, 207870509]

約数ペア:

[(1, 207870509), (7, 29695787), (11, 18897319), (17, 12227677), (77, 2699617), (119, 1746811), (187, 1111607), (379, 548471), (419, 496111), (1309, 158801), (2653, 78353), (2933, 70873), (4169, 49861), (4609, 45101), (6443, 32263), (7123, 29183)]