129431288

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18199}}^1$

素因数の和:18339

約数の個数: 32

約数和(自身を含む): 279552000

約数和(自身を除く): 150120712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 3556, 7112, 18199, 36398, 72796, 127393, 145592, 254786, 509572, 1019144, 2311273, 4622546, 9245092, 16178911, 18490184, 32357822, 64715644, 129431288]

約数ペア:

[(1, 129431288), (2, 64715644), (4, 32357822), (7, 18490184), (8, 16178911), (14, 9245092), (28, 4622546), (56, 2311273), (127, 1019144), (254, 509572), (508, 254786), (889, 145592), (1016, 127393), (1778, 72796), (3556, 36398), (7112, 18199)]