128067968

素因数分解:

$2^7\times 7^3\times {\mathrm{2917}}^1$

素因数の和:2952

約数の個数: 64

約数和(自身を含む): 297636000

約数和(自身を除く): 169568032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 2744, 2917, 3136, 5488, 5834, 6272, 10976, 11668, 20419, 21952, 23336, 40838, 43904, 46672, 81676, 93344, 142933, 163352, 186688, 285866, 326704, 373376, 571732, 653408, 1000531, 1143464, 1306816, 2001062, 2286928, 2613632, 4002124, 4573856, 8004248, 9147712, 16008496, 18295424, 32016992, 64033984, 128067968]

約数ペア:

[(1, 128067968), (2, 64033984), (4, 32016992), (7, 18295424), (8, 16008496), (14, 9147712), (16, 8004248), (28, 4573856), (32, 4002124), (49, 2613632), (56, 2286928), (64, 2001062), (98, 1306816), (112, 1143464), (128, 1000531), (196, 653408), (224, 571732), (343, 373376), (392, 326704), (448, 285866), (686, 186688), (784, 163352), (896, 142933), (1372, 93344), (1568, 81676), (2744, 46672), (2917, 43904), (3136, 40838), (5488, 23336), (5834, 21952), (6272, 20419), (10976, 11668)]