90646765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 31280915

約数列:

[1, 5, 11, 55, 71, 139, 167, 355, 695, 781, 835, 1529, 1837, 3905, 7645, 9185, 9869, 11857, 23213, 49345, 59285, 108559, 116065, 130427, 255343, 542795, 652135, 1276715, 1648123, 8240615, 18129353, 90646765]

約数ペア:

[(1, 90646765), (5, 18129353), (11, 8240615), (55, 1648123), (71, 1276715), (139, 652135), (167, 542795), (355, 255343), (695, 130427), (781, 116065), (835, 108559), (1529, 59285), (1837, 49345), (3905, 23213), (7645, 11857), (9185, 9869)]