491258768

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:905

約数の個数: 160

約数和(自身を含む): 1314082560

約数和(自身を除く): 822823792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 37, 44, 52, 56, 74, 77, 88, 91, 104, 112, 143, 148, 154, 176, 182, 208, 259, 286, 296, 308, 364, 407, 481, 518, 572, 592, 616, 728, 814, 829, 962, 1001, 1036, 1144, 1232, 1456, 1628, 1658, 1924, 2002, 2072, 2288, 2849, 3256, 3316, 3367, 3848, 4004, 4144, 5291, 5698, 5803, 6512, 6632, 6734, 7696, 8008, 9119, 10582, 10777, 11396, 11606, 13264, 13468, 16016, 18238, 21164, 21554, 22792, 23212, 26936, 30673, 36476, 37037, 42328, 43108, 45584, 46424, 53872, 61346, 63833, 72952, 74074, 75439, 84656, 86216, 92848, 118547, 122692, 127666, 145904, 148148, 150878, 172432, 214711, 237094, 245384, 255332, 296296, 301756, 337403, 398749, 429422, 474188, 490768, 510664, 592592, 603512, 674806, 797498, 829829, 858844, 948376, 1021328, 1207024, 1349612, 1594996, 1659658, 1717688, 1896752, 2361821, 2699224, 2791243, 3189992, 3319316, 3435376, 4386239, 4723642, 5398448, 5582486, 6379984, 6638632, 8772478, 9447284, 11164972, 13277264, 17544956, 18894568, 22329944, 30703673, 35089912, 37789136, 44659888, 61407346, 70179824, 122814692, 245629384, 491258768]

約数ペア:

[(1, 491258768), (2, 245629384), (4, 122814692), (7, 70179824), (8, 61407346), (11, 44659888), (13, 37789136), (14, 35089912), (16, 30703673), (22, 22329944), (26, 18894568), (28, 17544956), (37, 13277264), (44, 11164972), (52, 9447284), (56, 8772478), (74, 6638632), (77, 6379984), (88, 5582486), (91, 5398448), (104, 4723642), (112, 4386239), (143, 3435376), (148, 3319316), (154, 3189992), (176, 2791243), (182, 2699224), (208, 2361821), (259, 1896752), (286, 1717688), (296, 1659658), (308, 1594996), (364, 1349612), (407, 1207024), (481, 1021328), (518, 948376), (572, 858844), (592, 829829), (616, 797498), (728, 674806), (814, 603512), (829, 592592), (962, 510664), (1001, 490768), (1036, 474188), (1144, 429422), (1232, 398749), (1456, 337403), (1628, 301756), (1658, 296296), (1924, 255332), (2002, 245384), (2072, 237094), (2288, 214711), (2849, 172432), (3256, 150878), (3316, 148148), (3367, 145904), (3848, 127666), (4004, 122692), (4144, 118547), (5291, 92848), (5698, 86216), (5803, 84656), (6512, 75439), (6632, 74074), (6734, 72952), (7696, 63833), (8008, 61346), (9119, 53872), (10582, 46424), (10777, 45584), (11396, 43108), (11606, 42328), (13264, 37037), (13468, 36476), (16016, 30673), (18238, 26936), (21164, 23212), (21554, 22792)]