291256168

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{827}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 659750400

約数和(自身を除く): 368494232

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 331, 532, 662, 827, 1064, 1324, 1654, 2317, 2648, 3308, 4634, 5789, 6289, 6616, 9268, 11578, 12578, 15713, 18536, 23156, 25156, 31426, 44023, 46312, 50312, 62852, 88046, 109991, 125704, 176092, 219982, 273737, 352184, 439964, 547474, 879928, 1094948, 1916159, 2189896, 3832318, 5201003, 7664636, 10402006, 15329272, 20804012, 36407021, 41608024, 72814042, 145628084, 291256168]

約数ペア:

[(1, 291256168), (2, 145628084), (4, 72814042), (7, 41608024), (8, 36407021), (14, 20804012), (19, 15329272), (28, 10402006), (38, 7664636), (56, 5201003), (76, 3832318), (133, 2189896), (152, 1916159), (266, 1094948), (331, 879928), (532, 547474), (662, 439964), (827, 352184), (1064, 273737), (1324, 219982), (1654, 176092), (2317, 125704), (2648, 109991), (3308, 88046), (4634, 62852), (5789, 50312), (6289, 46312), (6616, 44023), (9268, 31426), (11578, 25156), (12578, 23156), (15713, 18536)]