28348008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 78133440

約数和(自身を除く): 49785432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2113, 2236, 3354, 4226, 4472, 6339, 6708, 8452, 12678, 13416, 16904, 25356, 27469, 50712, 54938, 82407, 90859, 109876, 164814, 181718, 219752, 272577, 329628, 363436, 545154, 659256, 726872, 1090308, 1181167, 2180616, 2362334, 3543501, 4724668, 7087002, 9449336, 14174004, 28348008]

約数ペア:

[(1, 28348008), (2, 14174004), (3, 9449336), (4, 7087002), (6, 4724668), (8, 3543501), (12, 2362334), (13, 2180616), (24, 1181167), (26, 1090308), (39, 726872), (43, 659256), (52, 545154), (78, 363436), (86, 329628), (104, 272577), (129, 219752), (156, 181718), (172, 164814), (258, 109876), (312, 90859), (344, 82407), (516, 54938), (559, 50712), (1032, 27469), (1118, 25356), (1677, 16904), (2113, 13416), (2236, 12678), (3354, 8452), (4226, 6708), (4472, 6339)]