28668472

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 35843528

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 127, 139, 203, 232, 254, 278, 406, 508, 556, 812, 889, 973, 1016, 1112, 1624, 1778, 1946, 3556, 3683, 3892, 4031, 7112, 7366, 7784, 8062, 14732, 16124, 17653, 25781, 28217, 29464, 32248, 35306, 51562, 56434, 70612, 103124, 112868, 123571, 141224, 206248, 225736, 247142, 494284, 511937, 988568, 1023874, 2047748, 3583559, 4095496, 7167118, 14334236, 28668472]

約数ペア:

[(1, 28668472), (2, 14334236), (4, 7167118), (7, 4095496), (8, 3583559), (14, 2047748), (28, 1023874), (29, 988568), (56, 511937), (58, 494284), (116, 247142), (127, 225736), (139, 206248), (203, 141224), (232, 123571), (254, 112868), (278, 103124), (406, 70612), (508, 56434), (556, 51562), (812, 35306), (889, 32248), (973, 29464), (1016, 28217), (1112, 25781), (1624, 17653), (1778, 16124), (1946, 14732), (3556, 8062), (3683, 7784), (3892, 7366), (4031, 7112)]