86780590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6481}}^1$

素因数の和:6604

約数の個数: 32

約数和(自身を含む): 169880256

約数和(自身を除く): 83099666

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6481, 6695, 12962, 13390, 32405, 64810, 84253, 168506, 421265, 667543, 842530, 1335086, 3337715, 6675430, 8678059, 17356118, 43390295, 86780590]

約数ペア:

[(1, 86780590), (2, 43390295), (5, 17356118), (10, 8678059), (13, 6675430), (26, 3337715), (65, 1335086), (103, 842530), (130, 667543), (206, 421265), (515, 168506), (1030, 84253), (1339, 64810), (2678, 32405), (6481, 13390), (6695, 12962)]