31235974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 30349946

約数列:

[1, 2, 7, 11, 14, 22, 43, 53, 77, 86, 89, 106, 154, 178, 301, 371, 473, 583, 602, 623, 742, 946, 979, 1166, 1246, 1958, 2279, 3311, 3827, 4081, 4558, 4717, 6622, 6853, 7654, 8162, 9434, 13706, 15953, 25069, 26789, 31906, 33019, 42097, 50138, 51887, 53578, 66038, 84194, 103774, 175483, 202831, 294679, 350966, 363209, 405662, 589358, 726418, 1419817, 2231141, 2839634, 4462282, 15617987, 31235974]

約数ペア:

[(1, 31235974), (2, 15617987), (7, 4462282), (11, 2839634), (14, 2231141), (22, 1419817), (43, 726418), (53, 589358), (77, 405662), (86, 363209), (89, 350966), (106, 294679), (154, 202831), (178, 175483), (301, 103774), (371, 84194), (473, 66038), (583, 53578), (602, 51887), (623, 50138), (742, 42097), (946, 33019), (979, 31906), (1166, 26789), (1246, 25069), (1958, 15953), (2279, 13706), (3311, 9434), (3827, 8162), (4081, 7654), (4558, 6853), (4717, 6622)]