388724856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:1005

約数の個数: 128

約数和(自身を含む): 1122750720

約数和(自身を除く): 734025864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 83, 102, 104, 136, 156, 166, 204, 221, 249, 312, 332, 408, 442, 498, 663, 664, 883, 884, 996, 1079, 1326, 1411, 1766, 1768, 1992, 2158, 2649, 2652, 2822, 3237, 3532, 4233, 4316, 5298, 5304, 5644, 6474, 7064, 8466, 8632, 10596, 11288, 11479, 12948, 15011, 16932, 18343, 21192, 22958, 25896, 30022, 33864, 34437, 36686, 45033, 45916, 55029, 60044, 68874, 73289, 73372, 90066, 91832, 110058, 120088, 137748, 146578, 146744, 180132, 195143, 219867, 220116, 275496, 293156, 360264, 390286, 439734, 440232, 585429, 586312, 780572, 879468, 952757, 1170858, 1245913, 1561144, 1758936, 1905514, 2341716, 2491826, 2858271, 3737739, 3811028, 4683432, 4983652, 5716542, 7475478, 7622056, 9967304, 11433084, 14950956, 16196869, 22866168, 29901912, 32393738, 48590607, 64787476, 97181214, 129574952, 194362428, 388724856]

約数ペア:

[(1, 388724856), (2, 194362428), (3, 129574952), (4, 97181214), (6, 64787476), (8, 48590607), (12, 32393738), (13, 29901912), (17, 22866168), (24, 16196869), (26, 14950956), (34, 11433084), (39, 9967304), (51, 7622056), (52, 7475478), (68, 5716542), (78, 4983652), (83, 4683432), (102, 3811028), (104, 3737739), (136, 2858271), (156, 2491826), (166, 2341716), (204, 1905514), (221, 1758936), (249, 1561144), (312, 1245913), (332, 1170858), (408, 952757), (442, 879468), (498, 780572), (663, 586312), (664, 585429), (883, 440232), (884, 439734), (996, 390286), (1079, 360264), (1326, 293156), (1411, 275496), (1766, 220116), (1768, 219867), (1992, 195143), (2158, 180132), (2649, 146744), (2652, 146578), (2822, 137748), (3237, 120088), (3532, 110058), (4233, 91832), (4316, 90066), (5298, 73372), (5304, 73289), (5644, 68874), (6474, 60044), (7064, 55029), (8466, 45916), (8632, 45033), (10596, 36686), (11288, 34437), (11479, 33864), (12948, 30022), (15011, 25896), (16932, 22958), (18343, 21192)]