31492538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 32097862

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 47, 77, 94, 133, 154, 209, 229, 266, 329, 418, 458, 517, 658, 893, 1034, 1463, 1603, 1786, 2519, 2926, 3206, 3619, 4351, 5038, 6251, 7238, 8702, 9823, 10763, 12502, 17633, 19646, 21526, 30457, 35266, 47861, 60914, 68761, 75341, 95722, 118393, 137522, 150682, 204497, 236786, 335027, 408994, 670054, 828751, 1431479, 1657502, 2249467, 2862958, 4498934, 15746269, 31492538]

約数ペア:

[(1, 31492538), (2, 15746269), (7, 4498934), (11, 2862958), (14, 2249467), (19, 1657502), (22, 1431479), (38, 828751), (47, 670054), (77, 408994), (94, 335027), (133, 236786), (154, 204497), (209, 150682), (229, 137522), (266, 118393), (329, 95722), (418, 75341), (458, 68761), (517, 60914), (658, 47861), (893, 35266), (1034, 30457), (1463, 21526), (1603, 19646), (1786, 17633), (2519, 12502), (2926, 10763), (3206, 9823), (3619, 8702), (4351, 7238), (5038, 6251)]