9870590

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6287}}^1$

素因数の和:6451

約数の個数: 16

約数和(自身を含む): 17883072

約数和(自身を除く): 8012482

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 6287, 12574, 31435, 62870, 987059, 1974118, 4935295, 9870590]

約数ペア:

[(1, 9870590), (2, 4935295), (5, 1974118), (10, 987059), (157, 62870), (314, 31435), (785, 12574), (1570, 6287)]