128528604016

素因数分解:

$2^4\times {\mathrm{1171}}^1\times {\mathrm{6859981}}^1$

素因数の和:6861160

約数の個数: 20

約数和(自身を含む): 249236866024

約数和(自身を除く): 120708262008

約数列:

[1, 2, 4, 8, 16, 1171, 2342, 4684, 9368, 18736, 6859981, 13719962, 27439924, 54879848, 109759696, 8033037751, 16066075502, 32132151004, 64264302008, 128528604016]

約数ペア:

[(1, 128528604016), (2, 64264302008), (4, 32132151004), (8, 16066075502), (16, 8033037751), (1171, 109759696), (2342, 54879848), (4684, 27439924), (9368, 13719962), (18736, 6859981)]