28126872

素因数分解:

$2^3\times 3^3\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 78645600

約数和(自身を除く): 50518728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 197, 216, 394, 591, 661, 788, 1182, 1322, 1576, 1773, 1983, 2364, 2644, 3546, 3966, 4728, 5288, 5319, 5949, 7092, 7932, 10638, 11898, 14184, 15864, 17847, 21276, 23796, 35694, 42552, 47592, 71388, 130217, 142776, 260434, 390651, 520868, 781302, 1041736, 1171953, 1562604, 2343906, 3125208, 3515859, 4687812, 7031718, 9375624, 14063436, 28126872]

約数ペア:

[(1, 28126872), (2, 14063436), (3, 9375624), (4, 7031718), (6, 4687812), (8, 3515859), (9, 3125208), (12, 2343906), (18, 1562604), (24, 1171953), (27, 1041736), (36, 781302), (54, 520868), (72, 390651), (108, 260434), (197, 142776), (216, 130217), (394, 71388), (591, 47592), (661, 42552), (788, 35694), (1182, 23796), (1322, 21276), (1576, 17847), (1773, 15864), (1983, 14184), (2364, 11898), (2644, 10638), (3546, 7932), (3966, 7092), (4728, 5949), (5288, 5319)]