217974904

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 489600000

約数和(自身を除く): 271625096

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 79, 116, 158, 203, 232, 316, 406, 553, 632, 812, 1106, 1624, 1699, 2212, 2291, 3398, 4424, 4582, 6796, 9164, 11893, 13592, 16037, 18328, 23786, 32074, 47572, 49271, 64148, 95144, 98542, 128296, 134221, 197084, 268442, 344897, 394168, 536884, 689794, 939547, 1073768, 1379588, 1879094, 2759176, 3758188, 3892409, 7516376, 7784818, 15569636, 27246863, 31139272, 54493726, 108987452, 217974904]

約数ペア:

[(1, 217974904), (2, 108987452), (4, 54493726), (7, 31139272), (8, 27246863), (14, 15569636), (28, 7784818), (29, 7516376), (56, 3892409), (58, 3758188), (79, 2759176), (116, 1879094), (158, 1379588), (203, 1073768), (232, 939547), (316, 689794), (406, 536884), (553, 394168), (632, 344897), (812, 268442), (1106, 197084), (1624, 134221), (1699, 128296), (2212, 98542), (2291, 95144), (3398, 64148), (4424, 49271), (4582, 47572), (6796, 32074), (9164, 23786), (11893, 18328), (13592, 16037)]