38978264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2861}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 79334640

約数和(自身を除く): 40356376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1703, 2861, 3406, 5722, 6812, 11444, 13624, 22888, 37193, 74386, 148772, 297544, 374791, 749582, 1499164, 2998328, 4872283, 9744566, 19489132, 38978264]

約数ペア:

[(1, 38978264), (2, 19489132), (4, 9744566), (8, 4872283), (13, 2998328), (26, 1499164), (52, 749582), (104, 374791), (131, 297544), (262, 148772), (524, 74386), (1048, 37193), (1703, 22888), (2861, 13624), (3406, 11444), (5722, 6812)]