16881816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 53498880

約数和(自身を除く): 36617064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 51, 56, 68, 69, 84, 92, 102, 119, 136, 138, 161, 168, 184, 204, 238, 257, 276, 322, 357, 391, 408, 476, 483, 514, 552, 644, 714, 771, 782, 952, 966, 1028, 1173, 1288, 1428, 1542, 1564, 1799, 1932, 2056, 2346, 2737, 2856, 3084, 3128, 3598, 3864, 4369, 4692, 5397, 5474, 5911, 6168, 7196, 8211, 8738, 9384, 10794, 10948, 11822, 13107, 14392, 16422, 17476, 17733, 21588, 21896, 23644, 26214, 30583, 32844, 34952, 35466, 41377, 43176, 47288, 52428, 61166, 65688, 70932, 82754, 91749, 100487, 104856, 122332, 124131, 141864, 165508, 183498, 200974, 244664, 248262, 301461, 331016, 366996, 401948, 496524, 602922, 703409, 733992, 803896, 993048, 1205844, 1406818, 2110227, 2411688, 2813636, 4220454, 5627272, 8440908, 16881816]

約数ペア:

[(1, 16881816), (2, 8440908), (3, 5627272), (4, 4220454), (6, 2813636), (7, 2411688), (8, 2110227), (12, 1406818), (14, 1205844), (17, 993048), (21, 803896), (23, 733992), (24, 703409), (28, 602922), (34, 496524), (42, 401948), (46, 366996), (51, 331016), (56, 301461), (68, 248262), (69, 244664), (84, 200974), (92, 183498), (102, 165508), (119, 141864), (136, 124131), (138, 122332), (161, 104856), (168, 100487), (184, 91749), (204, 82754), (238, 70932), (257, 65688), (276, 61166), (322, 52428), (357, 47288), (391, 43176), (408, 41377), (476, 35466), (483, 34952), (514, 32844), (552, 30583), (644, 26214), (714, 23644), (771, 21896), (782, 21588), (952, 17733), (966, 17476), (1028, 16422), (1173, 14392), (1288, 13107), (1428, 11822), (1542, 10948), (1564, 10794), (1799, 9384), (1932, 8738), (2056, 8211), (2346, 7196), (2737, 6168), (2856, 5911), (3084, 5474), (3128, 5397), (3598, 4692), (3864, 4369)]