31718778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 81740736

約数和(自身を除く): 50021958

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 49, 78, 86, 91, 98, 129, 147, 182, 193, 258, 273, 294, 301, 386, 546, 559, 579, 602, 637, 903, 1118, 1158, 1274, 1351, 1677, 1806, 1911, 2107, 2509, 2702, 3354, 3822, 3913, 4053, 4214, 5018, 6321, 7527, 7826, 8106, 8299, 9457, 11739, 12642, 15054, 16598, 17563, 18914, 23478, 24897, 27391, 28371, 35126, 49794, 52689, 54782, 56742, 58093, 82173, 105378, 107887, 116186, 122941, 164346, 174279, 215774, 245882, 323661, 348558, 368823, 406651, 647322, 737646, 755209, 813302, 1219953, 1510418, 2265627, 2439906, 4531254, 5286463, 10572926, 15859389, 31718778]

約数ペア:

[(1, 31718778), (2, 15859389), (3, 10572926), (6, 5286463), (7, 4531254), (13, 2439906), (14, 2265627), (21, 1510418), (26, 1219953), (39, 813302), (42, 755209), (43, 737646), (49, 647322), (78, 406651), (86, 368823), (91, 348558), (98, 323661), (129, 245882), (147, 215774), (182, 174279), (193, 164346), (258, 122941), (273, 116186), (294, 107887), (301, 105378), (386, 82173), (546, 58093), (559, 56742), (579, 54782), (602, 52689), (637, 49794), (903, 35126), (1118, 28371), (1158, 27391), (1274, 24897), (1351, 23478), (1677, 18914), (1806, 17563), (1911, 16598), (2107, 15054), (2509, 12642), (2702, 11739), (3354, 9457), (3822, 8299), (3913, 8106), (4053, 7826), (4214, 7527), (5018, 6321)]