131292168

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 393120000

約数和(自身を除く): 261827832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 49, 56, 82, 84, 98, 123, 147, 164, 168, 196, 246, 287, 294, 328, 343, 389, 392, 492, 574, 588, 686, 778, 861, 984, 1029, 1148, 1167, 1176, 1372, 1556, 1722, 2009, 2058, 2296, 2334, 2723, 2744, 3112, 3444, 4018, 4116, 4668, 5446, 6027, 6888, 8036, 8169, 8232, 9336, 10892, 12054, 14063, 15949, 16072, 16338, 19061, 21784, 24108, 28126, 31898, 32676, 38122, 42189, 47847, 48216, 56252, 57183, 63796, 65352, 76244, 84378, 95694, 111643, 112504, 114366, 127592, 133427, 152488, 168756, 191388, 223286, 228732, 266854, 334929, 337512, 382776, 400281, 446572, 457464, 533708, 669858, 781501, 800562, 893144, 1067416, 1339716, 1563002, 1601124, 2344503, 2679432, 3126004, 3202248, 4689006, 5470507, 6252008, 9378012, 10941014, 16411521, 18756024, 21882028, 32823042, 43764056, 65646084, 131292168]

約数ペア:

[(1, 131292168), (2, 65646084), (3, 43764056), (4, 32823042), (6, 21882028), (7, 18756024), (8, 16411521), (12, 10941014), (14, 9378012), (21, 6252008), (24, 5470507), (28, 4689006), (41, 3202248), (42, 3126004), (49, 2679432), (56, 2344503), (82, 1601124), (84, 1563002), (98, 1339716), (123, 1067416), (147, 893144), (164, 800562), (168, 781501), (196, 669858), (246, 533708), (287, 457464), (294, 446572), (328, 400281), (343, 382776), (389, 337512), (392, 334929), (492, 266854), (574, 228732), (588, 223286), (686, 191388), (778, 168756), (861, 152488), (984, 133427), (1029, 127592), (1148, 114366), (1167, 112504), (1176, 111643), (1372, 95694), (1556, 84378), (1722, 76244), (2009, 65352), (2058, 63796), (2296, 57183), (2334, 56252), (2723, 48216), (2744, 47847), (3112, 42189), (3444, 38122), (4018, 32676), (4116, 31898), (4668, 28126), (5446, 24108), (6027, 21784), (6888, 19061), (8036, 16338), (8169, 16072), (8232, 15949), (9336, 14063), (10892, 12054)]