257155992

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 752184000

約数和(自身を除く): 495028008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 61, 72, 87, 108, 116, 122, 174, 183, 216, 232, 244, 261, 348, 366, 488, 522, 549, 673, 696, 732, 783, 1044, 1098, 1346, 1464, 1566, 1647, 1769, 2019, 2088, 2196, 2692, 3132, 3294, 3538, 4038, 4392, 5307, 5384, 6057, 6264, 6588, 7076, 8076, 10614, 12114, 13176, 14152, 15921, 16152, 18171, 19517, 21228, 24228, 31842, 36342, 39034, 41053, 42456, 47763, 48456, 58551, 63684, 72684, 78068, 82106, 95526, 117102, 123159, 127368, 145368, 156136, 164212, 175653, 191052, 234204, 246318, 328424, 351306, 369477, 382104, 468408, 492636, 526959, 702612, 738954, 985272, 1053918, 1108431, 1190537, 1405224, 1477908, 2107836, 2216862, 2381074, 2955816, 3571611, 4215672, 4433724, 4762148, 7143222, 8867448, 9524296, 10714833, 14286444, 21429666, 28572888, 32144499, 42859332, 64288998, 85718664, 128577996, 257155992]

約数ペア:

[(1, 257155992), (2, 128577996), (3, 85718664), (4, 64288998), (6, 42859332), (8, 32144499), (9, 28572888), (12, 21429666), (18, 14286444), (24, 10714833), (27, 9524296), (29, 8867448), (36, 7143222), (54, 4762148), (58, 4433724), (61, 4215672), (72, 3571611), (87, 2955816), (108, 2381074), (116, 2216862), (122, 2107836), (174, 1477908), (183, 1405224), (216, 1190537), (232, 1108431), (244, 1053918), (261, 985272), (348, 738954), (366, 702612), (488, 526959), (522, 492636), (549, 468408), (673, 382104), (696, 369477), (732, 351306), (783, 328424), (1044, 246318), (1098, 234204), (1346, 191052), (1464, 175653), (1566, 164212), (1647, 156136), (1769, 145368), (2019, 127368), (2088, 123159), (2196, 117102), (2692, 95526), (3132, 82106), (3294, 78068), (3538, 72684), (4038, 63684), (4392, 58551), (5307, 48456), (5384, 47763), (6057, 42456), (6264, 41053), (6588, 39034), (7076, 36342), (8076, 31842), (10614, 24228), (12114, 21228), (13176, 19517), (14152, 18171), (15921, 16152)]