61311265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 80870400

約数和(自身を除く): 19559135

約数列:

[1, 5, 17, 47, 85, 103, 149, 235, 515, 745, 799, 1751, 2533, 3995, 4841, 7003, 8755, 12665, 15347, 24205, 35015, 76735, 82297, 119051, 260899, 411485, 595255, 721309, 1304495, 3606545, 12262253, 61311265]

約数ペア:

[(1, 61311265), (5, 12262253), (17, 3606545), (47, 1304495), (85, 721309), (103, 595255), (149, 411485), (235, 260899), (515, 119051), (745, 82297), (799, 76735), (1751, 35015), (2533, 24205), (3995, 15347), (4841, 12665), (7003, 8755)]