157420312

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{16249}}^1$

素因数の和:16435

約数の個数: 32

約数和(自身を含む): 339300000

約数和(自身を除く): 181879688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2422, 4844, 9688, 16249, 32498, 64996, 113743, 129992, 227486, 454972, 909944, 2811077, 5622154, 11244308, 19677539, 22488616, 39355078, 78710156, 157420312]

約数ペア:

[(1, 157420312), (2, 78710156), (4, 39355078), (7, 22488616), (8, 19677539), (14, 11244308), (28, 5622154), (56, 2811077), (173, 909944), (346, 454972), (692, 227486), (1211, 129992), (1384, 113743), (2422, 64996), (4844, 32498), (9688, 16249)]