397902008

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{15413}}^1$

素因数の和:15887

約数の個数: 32

約数和(自身を含む): 854552160

約数和(自身を除く): 456650152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 922, 1844, 3227, 3688, 6454, 12908, 15413, 25816, 30826, 61652, 107891, 123304, 215782, 431564, 863128, 7105393, 14210786, 28421572, 49737751, 56843144, 99475502, 198951004, 397902008]

約数ペア:

[(1, 397902008), (2, 198951004), (4, 99475502), (7, 56843144), (8, 49737751), (14, 28421572), (28, 14210786), (56, 7105393), (461, 863128), (922, 431564), (1844, 215782), (3227, 123304), (3688, 107891), (6454, 61652), (12908, 30826), (15413, 25816)]