128856328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1061}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 275270400

約数和(自身を除く): 146414072

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 47, 68, 76, 94, 136, 152, 188, 323, 376, 646, 799, 893, 1061, 1292, 1598, 1786, 2122, 2584, 3196, 3572, 4244, 6392, 7144, 8488, 15181, 18037, 20159, 30362, 36074, 40318, 49867, 60724, 72148, 80636, 99734, 121448, 144296, 161272, 199468, 342703, 398936, 685406, 847739, 947473, 1370812, 1695478, 1894946, 2741624, 3390956, 3789892, 6781912, 7579784, 16107041, 32214082, 64428164, 128856328]

約数ペア:

[(1, 128856328), (2, 64428164), (4, 32214082), (8, 16107041), (17, 7579784), (19, 6781912), (34, 3789892), (38, 3390956), (47, 2741624), (68, 1894946), (76, 1695478), (94, 1370812), (136, 947473), (152, 847739), (188, 685406), (323, 398936), (376, 342703), (646, 199468), (799, 161272), (893, 144296), (1061, 121448), (1292, 99734), (1598, 80636), (1786, 72148), (2122, 60724), (2584, 49867), (3196, 40318), (3572, 36074), (4244, 30362), (6392, 20159), (7144, 18037), (8488, 15181)]