1390422826

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{241981}}^1$

素因数の和:242026

約数の個数: 24

約数和(自身を含む): 2391266124

約数和(自身を除く): 1000843298

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 5746, 241981, 483962, 3145753, 4113677, 6291506, 8227354, 40894789, 53477801, 81789578, 106955602, 695211413, 1390422826]

約数ペア:

[(1, 1390422826), (2, 695211413), (13, 106955602), (17, 81789578), (26, 53477801), (34, 40894789), (169, 8227354), (221, 6291506), (338, 4113677), (442, 3145753), (2873, 483962), (5746, 241981)]