1289290465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1\times {\mathrm{3907}}^1$

素因数の和:6072

約数の個数: 16

約数和(自身を含む): 1598215680

約数和(自身を除く): 308925215

約数列:

[1, 5, 31, 155, 2129, 3907, 10645, 19535, 65999, 121117, 329995, 605585, 8318003, 41590015, 257858093, 1289290465]

約数ペア:

[(1, 1289290465), (5, 257858093), (31, 41590015), (155, 8318003), (2129, 605585), (3907, 329995), (10645, 121117), (19535, 65999)]