65681795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 87526656

約数和(自身を除く): 21844861

約数列:

[1, 5, 17, 41, 47, 85, 205, 235, 401, 697, 799, 1927, 2005, 3485, 3995, 6817, 9635, 16441, 18847, 32759, 34085, 82205, 94235, 163795, 279497, 320399, 772727, 1397485, 1601995, 3863635, 13136359, 65681795]

約数ペア:

[(1, 65681795), (5, 13136359), (17, 3863635), (41, 1601995), (47, 1397485), (85, 772727), (205, 320399), (235, 279497), (401, 163795), (697, 94235), (799, 82205), (1927, 34085), (2005, 32759), (3485, 18847), (3995, 16441), (6817, 9635)]