978978130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{579277}}^1$

素因数の和:579310

約数の個数: 24

約数和(自身を含む): 1908141732

約数和(自身を除く): 929163602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 579277, 1158554, 2896385, 5792770, 7530601, 15061202, 37653005, 75306010, 97897813, 195795626, 489489065, 978978130]

約数ペア:

[(1, 978978130), (2, 489489065), (5, 195795626), (10, 97897813), (13, 75306010), (26, 37653005), (65, 15061202), (130, 7530601), (169, 5792770), (338, 2896385), (845, 1158554), (1690, 579277)]