25981058

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 39644640

約数和(自身を除く): 13663582

約数列:

[1, 2, 89, 178, 227, 454, 643, 1286, 20203, 40406, 57227, 114454, 145961, 291922, 12990529, 25981058]

約数ペア:

[(1, 25981058), (2, 12990529), (89, 291922), (178, 145961), (227, 114454), (454, 57227), (643, 40406), (1286, 20203)]