221820004

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 491323392

約数和(自身を除く): 269503388

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 41, 46, 62, 82, 92, 124, 161, 164, 217, 271, 287, 322, 434, 542, 574, 644, 713, 868, 943, 1084, 1148, 1271, 1426, 1886, 1897, 2542, 2852, 3772, 3794, 4991, 5084, 6233, 6601, 7588, 8401, 8897, 9982, 11111, 12466, 13202, 16802, 17794, 19964, 22222, 24932, 26404, 29233, 33604, 35588, 43631, 44444, 58466, 58807, 77777, 87262, 116932, 117614, 155554, 174524, 193223, 204631, 235228, 255553, 311108, 344441, 386446, 409262, 511106, 688882, 772892, 818524, 1022212, 1352561, 1377764, 1788871, 2411087, 2705122, 3577742, 4822174, 5410244, 7155484, 7922143, 9644348, 15844286, 31688572, 55455001, 110910002, 221820004]

約数ペア:

[(1, 221820004), (2, 110910002), (4, 55455001), (7, 31688572), (14, 15844286), (23, 9644348), (28, 7922143), (31, 7155484), (41, 5410244), (46, 4822174), (62, 3577742), (82, 2705122), (92, 2411087), (124, 1788871), (161, 1377764), (164, 1352561), (217, 1022212), (271, 818524), (287, 772892), (322, 688882), (434, 511106), (542, 409262), (574, 386446), (644, 344441), (713, 311108), (868, 255553), (943, 235228), (1084, 204631), (1148, 193223), (1271, 174524), (1426, 155554), (1886, 117614), (1897, 116932), (2542, 87262), (2852, 77777), (3772, 58807), (3794, 58466), (4991, 44444), (5084, 43631), (6233, 35588), (6601, 33604), (7588, 29233), (8401, 26404), (8897, 24932), (9982, 22222), (11111, 19964), (12466, 17794), (13202, 16802)]