256141281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 379209600

約数和(自身を除く): 123068319

約数列:

[1, 3, 11, 33, 113, 149, 339, 447, 461, 1243, 1383, 1639, 3729, 4917, 5071, 15213, 16837, 50511, 52093, 68689, 156279, 185207, 206067, 555621, 573023, 755579, 1719069, 2266737, 7761857, 23285571, 85380427, 256141281]

約数ペア:

[(1, 256141281), (3, 85380427), (11, 23285571), (33, 7761857), (113, 2266737), (149, 1719069), (339, 755579), (447, 573023), (461, 555621), (1243, 206067), (1383, 185207), (1639, 156279), (3729, 68689), (4917, 52093), (5071, 50511), (15213, 16837)]