65520007

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 79535520

約数和(自身を除く): 14015513

約数列:

[1, 7, 37, 49, 71, 259, 497, 509, 1813, 2627, 3479, 3563, 18389, 18833, 24941, 36139, 128723, 131831, 252973, 922817, 1337143, 1770811, 9360001, 65520007]

約数ペア:

[(1, 65520007), (7, 9360001), (37, 1770811), (49, 1337143), (71, 922817), (259, 252973), (497, 131831), (509, 128723), (1813, 36139), (2627, 24941), (3479, 18833), (3563, 18389)]