201518408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 518918400

約数和(自身を除く): 317399992

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 119, 133, 136, 152, 182, 221, 238, 247, 266, 323, 364, 442, 476, 494, 532, 646, 728, 857, 884, 952, 988, 1064, 1292, 1547, 1714, 1729, 1768, 1976, 2261, 2584, 3094, 3428, 3458, 4199, 4522, 5999, 6188, 6856, 6916, 8398, 9044, 11141, 11998, 12376, 13832, 14569, 16283, 16796, 18088, 22282, 23996, 29138, 29393, 32566, 33592, 44564, 47992, 58276, 58786, 65132, 77987, 89128, 101983, 113981, 116552, 117572, 130264, 155974, 189397, 203966, 211679, 227962, 235144, 276811, 311948, 378794, 407932, 423358, 455924, 553622, 623896, 757588, 815864, 846716, 911848, 1107244, 1325779, 1481753, 1515176, 1693432, 1937677, 2214488, 2651558, 2963506, 3598543, 3875354, 5303116, 5927012, 7197086, 7750708, 10606232, 11854024, 14394172, 15501416, 25189801, 28788344, 50379602, 100759204, 201518408]

約数ペア:

[(1, 201518408), (2, 100759204), (4, 50379602), (7, 28788344), (8, 25189801), (13, 15501416), (14, 14394172), (17, 11854024), (19, 10606232), (26, 7750708), (28, 7197086), (34, 5927012), (38, 5303116), (52, 3875354), (56, 3598543), (68, 2963506), (76, 2651558), (91, 2214488), (104, 1937677), (119, 1693432), (133, 1515176), (136, 1481753), (152, 1325779), (182, 1107244), (221, 911848), (238, 846716), (247, 815864), (266, 757588), (323, 623896), (364, 553622), (442, 455924), (476, 423358), (494, 407932), (532, 378794), (646, 311948), (728, 276811), (857, 235144), (884, 227962), (952, 211679), (988, 203966), (1064, 189397), (1292, 155974), (1547, 130264), (1714, 117572), (1729, 116552), (1768, 113981), (1976, 101983), (2261, 89128), (2584, 77987), (3094, 65132), (3428, 58786), (3458, 58276), (4199, 47992), (4522, 44564), (5999, 33592), (6188, 32566), (6856, 29393), (6916, 29138), (8398, 23996), (9044, 22282), (11141, 18088), (11998, 16796), (12376, 16283), (13832, 14569)]