256218996834

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{1259}}^1\times {\mathrm{42989}}^1$

素因数の和:44519

約数の個数: 48

約数和(自身を含む): 557707550400

約数和(自身を除く): 301488553566

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1259, 1578, 2367, 2518, 3777, 4734, 7554, 11331, 22662, 42989, 85978, 128967, 257934, 331117, 386901, 662234, 773802, 993351, 1986702, 2980053, 5960106, 11306107, 22612214, 33918321, 54123151, 67836642, 101754963, 108246302, 162369453, 203509926, 324738906, 487108359, 974216718, 14234388713, 28468777426, 42703166139, 85406332278, 128109498417, 256218996834]

約数ペア:

[(1, 256218996834), (2, 128109498417), (3, 85406332278), (6, 42703166139), (9, 28468777426), (18, 14234388713), (263, 974216718), (526, 487108359), (789, 324738906), (1259, 203509926), (1578, 162369453), (2367, 108246302), (2518, 101754963), (3777, 67836642), (4734, 54123151), (7554, 33918321), (11331, 22612214), (22662, 11306107), (42989, 5960106), (85978, 2980053), (128967, 1986702), (257934, 993351), (331117, 773802), (386901, 662234)]