68391785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 102816000

約数和(自身を除く): 34424215

約数列:

[1, 5, 7, 11, 35, 55, 77, 349, 385, 509, 1745, 2443, 2545, 3563, 3839, 5599, 12215, 17815, 19195, 26873, 27995, 39193, 134365, 177641, 195965, 888205, 1243487, 1954051, 6217435, 9770255, 13678357, 68391785]

約数ペア:

[(1, 68391785), (5, 13678357), (7, 9770255), (11, 6217435), (35, 1954051), (55, 1243487), (77, 888205), (349, 195965), (385, 177641), (509, 134365), (1745, 39193), (2443, 27995), (2545, 26873), (3563, 19195), (3839, 17815), (5599, 12215)]