257067664

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 584534016

約数和(自身を除く): 327466352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 191, 197, 244, 382, 394, 427, 488, 764, 788, 854, 976, 1337, 1379, 1528, 1576, 1708, 2674, 2758, 3056, 3152, 3416, 5348, 5516, 6832, 10696, 11032, 11651, 12017, 21392, 22064, 23302, 24034, 37627, 46604, 48068, 75254, 81557, 84119, 93208, 96136, 150508, 163114, 168238, 186416, 192272, 263389, 301016, 326228, 336476, 526778, 602032, 652456, 672952, 1053556, 1304912, 1345904, 2107112, 2295247, 4214224, 4590494, 9180988, 16066729, 18361976, 32133458, 36723952, 64266916, 128533832, 257067664]

約数ペア:

[(1, 257067664), (2, 128533832), (4, 64266916), (7, 36723952), (8, 32133458), (14, 18361976), (16, 16066729), (28, 9180988), (56, 4590494), (61, 4214224), (112, 2295247), (122, 2107112), (191, 1345904), (197, 1304912), (244, 1053556), (382, 672952), (394, 652456), (427, 602032), (488, 526778), (764, 336476), (788, 326228), (854, 301016), (976, 263389), (1337, 192272), (1379, 186416), (1528, 168238), (1576, 163114), (1708, 150508), (2674, 96136), (2758, 93208), (3056, 84119), (3152, 81557), (3416, 75254), (5348, 48068), (5516, 46604), (6832, 37627), (10696, 24034), (11032, 23302), (11651, 22064), (12017, 21392)]