198706872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2459}}^1$

素因数の和:2525

約数の個数: 128

約数和(自身を含む): 628185600

約数和(自身を除く): 429478728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 148, 156, 168, 182, 222, 259, 273, 296, 312, 364, 444, 481, 518, 546, 728, 777, 888, 962, 1036, 1092, 1443, 1554, 1924, 2072, 2184, 2459, 2886, 3108, 3367, 3848, 4918, 5772, 6216, 6734, 7377, 9836, 10101, 11544, 13468, 14754, 17213, 19672, 20202, 26936, 29508, 31967, 34426, 40404, 51639, 59016, 63934, 68852, 80808, 90983, 95901, 103278, 127868, 137704, 181966, 191802, 206556, 223769, 255736, 272949, 363932, 383604, 413112, 447538, 545898, 636881, 671307, 727864, 767208, 895076, 1091796, 1182779, 1273762, 1342614, 1790152, 1910643, 2183592, 2365558, 2547524, 2685228, 3548337, 3821286, 4731116, 5095048, 5370456, 7096674, 7642572, 8279453, 9462232, 14193348, 15285144, 16558906, 24838359, 28386696, 33117812, 49676718, 66235624, 99353436, 198706872]

約数ペア:

[(1, 198706872), (2, 99353436), (3, 66235624), (4, 49676718), (6, 33117812), (7, 28386696), (8, 24838359), (12, 16558906), (13, 15285144), (14, 14193348), (21, 9462232), (24, 8279453), (26, 7642572), (28, 7096674), (37, 5370456), (39, 5095048), (42, 4731116), (52, 3821286), (56, 3548337), (74, 2685228), (78, 2547524), (84, 2365558), (91, 2183592), (104, 1910643), (111, 1790152), (148, 1342614), (156, 1273762), (168, 1182779), (182, 1091796), (222, 895076), (259, 767208), (273, 727864), (296, 671307), (312, 636881), (364, 545898), (444, 447538), (481, 413112), (518, 383604), (546, 363932), (728, 272949), (777, 255736), (888, 223769), (962, 206556), (1036, 191802), (1092, 181966), (1443, 137704), (1554, 127868), (1924, 103278), (2072, 95901), (2184, 90983), (2459, 80808), (2886, 68852), (3108, 63934), (3367, 59016), (3848, 51639), (4918, 40404), (5772, 34426), (6216, 31967), (6734, 29508), (7377, 26936), (9836, 20202), (10101, 19672), (11544, 17213), (13468, 14754)]