128023428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1225

約数の個数: 96

約数和(自身を含む): 346816512

約数和(自身を除く): 218793084

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 124, 138, 156, 186, 276, 299, 372, 403, 598, 713, 806, 897, 1151, 1196, 1209, 1426, 1612, 1794, 2139, 2302, 2418, 2852, 3453, 3588, 4278, 4604, 4836, 6906, 8556, 9269, 13812, 14963, 18538, 26473, 27807, 29926, 35681, 37076, 44889, 52946, 55614, 59852, 71362, 79419, 89778, 105892, 107043, 111228, 142724, 158838, 179556, 214086, 317676, 344149, 428172, 463853, 688298, 820663, 927706, 1032447, 1376596, 1391559, 1641326, 1855412, 2064894, 2461989, 2783118, 3282652, 4129788, 4923978, 5566236, 9847956, 10668619, 21337238, 32005857, 42674476, 64011714, 128023428]

約数ペア:

[(1, 128023428), (2, 64011714), (3, 42674476), (4, 32005857), (6, 21337238), (12, 10668619), (13, 9847956), (23, 5566236), (26, 4923978), (31, 4129788), (39, 3282652), (46, 2783118), (52, 2461989), (62, 2064894), (69, 1855412), (78, 1641326), (92, 1391559), (93, 1376596), (124, 1032447), (138, 927706), (156, 820663), (186, 688298), (276, 463853), (299, 428172), (372, 344149), (403, 317676), (598, 214086), (713, 179556), (806, 158838), (897, 142724), (1151, 111228), (1196, 107043), (1209, 105892), (1426, 89778), (1612, 79419), (1794, 71362), (2139, 59852), (2302, 55614), (2418, 52946), (2852, 44889), (3453, 37076), (3588, 35681), (4278, 29926), (4604, 27807), (4836, 26473), (6906, 18538), (8556, 14963), (9269, 13812)]