131678484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{937}}^1$

素因数の和:1197

約数の個数: 72

約数和(自身を含む): 359291520

約数和(自身を除く): 227613036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 239, 294, 478, 588, 717, 937, 956, 1434, 1673, 1874, 2811, 2868, 3346, 3748, 5019, 5622, 6559, 6692, 10038, 11244, 11711, 13118, 19677, 20076, 23422, 26236, 35133, 39354, 45913, 46844, 70266, 78708, 91826, 137739, 140532, 183652, 223943, 275478, 447886, 550956, 671829, 895772, 1343658, 1567601, 2687316, 3135202, 4702803, 6270404, 9405606, 10973207, 18811212, 21946414, 32919621, 43892828, 65839242, 131678484]

約数ペア:

[(1, 131678484), (2, 65839242), (3, 43892828), (4, 32919621), (6, 21946414), (7, 18811212), (12, 10973207), (14, 9405606), (21, 6270404), (28, 4702803), (42, 3135202), (49, 2687316), (84, 1567601), (98, 1343658), (147, 895772), (196, 671829), (239, 550956), (294, 447886), (478, 275478), (588, 223943), (717, 183652), (937, 140532), (956, 137739), (1434, 91826), (1673, 78708), (1874, 70266), (2811, 46844), (2868, 45913), (3346, 39354), (3748, 35133), (5019, 26236), (5622, 23422), (6559, 20076), (6692, 19677), (10038, 13118), (11244, 11711)]