28404012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 88247040

約数和(自身を除く): 59843028

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 37, 38, 39, 42, 52, 57, 74, 76, 78, 84, 91, 111, 114, 133, 148, 156, 182, 222, 228, 247, 259, 266, 273, 364, 399, 444, 481, 494, 518, 532, 546, 703, 741, 777, 798, 962, 988, 1036, 1092, 1369, 1406, 1443, 1482, 1554, 1596, 1729, 1924, 2109, 2738, 2812, 2886, 2964, 3108, 3367, 3458, 4107, 4218, 4921, 5187, 5476, 5772, 6734, 6916, 8214, 8436, 9139, 9583, 9842, 10101, 10374, 13468, 14763, 16428, 17797, 18278, 19166, 19684, 20202, 20748, 26011, 27417, 28749, 29526, 35594, 36556, 38332, 40404, 52022, 53391, 54834, 57498, 59052, 63973, 71188, 78033, 104044, 106782, 109668, 114996, 124579, 127946, 156066, 182077, 191919, 213564, 249158, 255892, 312132, 338143, 364154, 373737, 383838, 498316, 546231, 676286, 728308, 747474, 767676, 1014429, 1092462, 1352572, 1494948, 2028858, 2184924, 2367001, 4057716, 4734002, 7101003, 9468004, 14202006, 28404012]

約数ペア:

[(1, 28404012), (2, 14202006), (3, 9468004), (4, 7101003), (6, 4734002), (7, 4057716), (12, 2367001), (13, 2184924), (14, 2028858), (19, 1494948), (21, 1352572), (26, 1092462), (28, 1014429), (37, 767676), (38, 747474), (39, 728308), (42, 676286), (52, 546231), (57, 498316), (74, 383838), (76, 373737), (78, 364154), (84, 338143), (91, 312132), (111, 255892), (114, 249158), (133, 213564), (148, 191919), (156, 182077), (182, 156066), (222, 127946), (228, 124579), (247, 114996), (259, 109668), (266, 106782), (273, 104044), (364, 78033), (399, 71188), (444, 63973), (481, 59052), (494, 57498), (518, 54834), (532, 53391), (546, 52022), (703, 40404), (741, 38332), (777, 36556), (798, 35594), (962, 29526), (988, 28749), (1036, 27417), (1092, 26011), (1369, 20748), (1406, 20202), (1443, 19684), (1482, 19166), (1554, 18278), (1596, 17797), (1729, 16428), (1924, 14763), (2109, 13468), (2738, 10374), (2812, 10101), (2886, 9842), (2964, 9583), (3108, 9139), (3367, 8436), (3458, 8214), (4107, 6916), (4218, 6734), (4921, 5772), (5187, 5476)]