128891244

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{78401}}^1$

素因数の和:78545

約数の個数: 24

約数和(自身を含む): 302945328

約数和(自身を除く): 174054084

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 78401, 156802, 235203, 313604, 470406, 940812, 10740937, 21481874, 32222811, 42963748, 64445622, 128891244]

約数ペア:

[(1, 128891244), (2, 64445622), (3, 42963748), (4, 32222811), (6, 21481874), (12, 10740937), (137, 940812), (274, 470406), (411, 313604), (548, 235203), (822, 156802), (1644, 78401)]