128460438

素因数分解:

$2^1\times 3^3\times {\mathrm{331}}^1\times {\mathrm{7187}}^1$

素因数の和:7529

約数の個数: 32

約数和(自身を含む): 286369920

約数和(自身を除く): 157909482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 331, 662, 993, 1986, 2979, 5958, 7187, 8937, 14374, 17874, 21561, 43122, 64683, 129366, 194049, 388098, 2378897, 4757794, 7136691, 14273382, 21410073, 42820146, 64230219, 128460438]

約数ペア:

[(1, 128460438), (2, 64230219), (3, 42820146), (6, 21410073), (9, 14273382), (18, 7136691), (27, 4757794), (54, 2378897), (331, 388098), (662, 194049), (993, 129366), (1986, 64683), (2979, 43122), (5958, 21561), (7187, 17874), (8937, 14374)]