208065599

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 253215648

約数和(自身を除く): 45150049

約数列:

[1, 7, 19, 133, 137, 361, 601, 959, 2527, 2603, 4207, 11419, 18221, 49457, 79933, 82337, 216961, 346199, 576359, 1518727, 1564403, 10950821, 29723657, 208065599]

約数ペア:

[(1, 208065599), (7, 29723657), (19, 10950821), (133, 1564403), (137, 1518727), (361, 576359), (601, 346199), (959, 216961), (2527, 82337), (2603, 79933), (4207, 49457), (11419, 18221)]