128956184

素因数分解:

$2^3\times 7^1\times {\mathrm{977}}^1\times {\mathrm{2357}}^1$

素因数の和:3347

約数の個数: 32

約数和(自身を含む): 276734880

約数和(自身を除く): 147778696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 977, 1954, 2357, 3908, 4714, 6839, 7816, 9428, 13678, 16499, 18856, 27356, 32998, 54712, 65996, 131992, 2302789, 4605578, 9211156, 16119523, 18422312, 32239046, 64478092, 128956184]

約数ペア:

[(1, 128956184), (2, 64478092), (4, 32239046), (7, 18422312), (8, 16119523), (14, 9211156), (28, 4605578), (56, 2302789), (977, 131992), (1954, 65996), (2357, 54712), (3908, 32998), (4714, 27356), (6839, 18856), (7816, 16499), (9428, 13678)]