199897984

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 477751680

約数和(自身を除く): 277853696

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 67, 88, 104, 128, 134, 143, 163, 176, 208, 268, 286, 326, 352, 416, 536, 572, 652, 704, 737, 832, 871, 1072, 1144, 1304, 1408, 1474, 1664, 1742, 1793, 2119, 2144, 2288, 2608, 2948, 3484, 3586, 4238, 4288, 4576, 5216, 5896, 6968, 7172, 8476, 8576, 9152, 9581, 10432, 10921, 11792, 13936, 14344, 16952, 18304, 19162, 20864, 21842, 23309, 23584, 27872, 28688, 33904, 38324, 43684, 46618, 47168, 55744, 57376, 67808, 76648, 87368, 93236, 94336, 111488, 114752, 120131, 135616, 141973, 153296, 174736, 186472, 229504, 240262, 271232, 283946, 306592, 349472, 372944, 480524, 567892, 613184, 698944, 745888, 961048, 1135784, 1226368, 1397888, 1491776, 1561703, 1922096, 2271568, 2983552, 3123406, 3844192, 4543136, 6246812, 7688384, 9086272, 12493624, 15376768, 18172544, 24987248, 49974496, 99948992, 199897984]

約数ペア:

[(1, 199897984), (2, 99948992), (4, 49974496), (8, 24987248), (11, 18172544), (13, 15376768), (16, 12493624), (22, 9086272), (26, 7688384), (32, 6246812), (44, 4543136), (52, 3844192), (64, 3123406), (67, 2983552), (88, 2271568), (104, 1922096), (128, 1561703), (134, 1491776), (143, 1397888), (163, 1226368), (176, 1135784), (208, 961048), (268, 745888), (286, 698944), (326, 613184), (352, 567892), (416, 480524), (536, 372944), (572, 349472), (652, 306592), (704, 283946), (737, 271232), (832, 240262), (871, 229504), (1072, 186472), (1144, 174736), (1304, 153296), (1408, 141973), (1474, 135616), (1664, 120131), (1742, 114752), (1793, 111488), (2119, 94336), (2144, 93236), (2288, 87368), (2608, 76648), (2948, 67808), (3484, 57376), (3586, 55744), (4238, 47168), (4288, 46618), (4576, 43684), (5216, 38324), (5896, 33904), (6968, 28688), (7172, 27872), (8476, 23584), (8576, 23309), (9152, 21842), (9581, 20864), (10432, 19162), (10921, 18304), (11792, 16952), (13936, 14344)]