128445856

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{677}}^1$

素因数の和:723

約数の個数: 108

約数和(自身を含む): 323814834

約数和(自身を除く): 195368978

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 224, 242, 308, 352, 392, 484, 539, 616, 677, 784, 847, 968, 1078, 1232, 1354, 1568, 1694, 1936, 2156, 2464, 2708, 3388, 3872, 4312, 4739, 5416, 5929, 6776, 7447, 8624, 9478, 10832, 11858, 13552, 14894, 17248, 18956, 21664, 23716, 27104, 29788, 33173, 37912, 47432, 52129, 59576, 66346, 75824, 81917, 94864, 104258, 119152, 132692, 151648, 163834, 189728, 208516, 238304, 265384, 327668, 364903, 417032, 530768, 573419, 655336, 729806, 834064, 1061536, 1146838, 1310672, 1459612, 1668128, 2293676, 2621344, 2919224, 4013933, 4587352, 5838448, 8027866, 9174704, 11676896, 16055732, 18349408, 32111464, 64222928, 128445856]

約数ペア:

[(1, 128445856), (2, 64222928), (4, 32111464), (7, 18349408), (8, 16055732), (11, 11676896), (14, 9174704), (16, 8027866), (22, 5838448), (28, 4587352), (32, 4013933), (44, 2919224), (49, 2621344), (56, 2293676), (77, 1668128), (88, 1459612), (98, 1310672), (112, 1146838), (121, 1061536), (154, 834064), (176, 729806), (196, 655336), (224, 573419), (242, 530768), (308, 417032), (352, 364903), (392, 327668), (484, 265384), (539, 238304), (616, 208516), (677, 189728), (784, 163834), (847, 151648), (968, 132692), (1078, 119152), (1232, 104258), (1354, 94864), (1568, 81917), (1694, 75824), (1936, 66346), (2156, 59576), (2464, 52129), (2708, 47432), (3388, 37912), (3872, 33173), (4312, 29788), (4739, 27104), (5416, 23716), (5929, 21664), (6776, 18956), (7447, 17248), (8624, 14894), (9478, 13552), (10832, 11858)]