128539696

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{25343}}^1$

素因数の和:25668

約数の個数: 20

約数和(自身を含む): 249841152

約数和(自身を除く): 121301456

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 25343, 50686, 101372, 202744, 405488, 8033731, 16067462, 32134924, 64269848, 128539696]

約数ペア:

[(1, 128539696), (2, 64269848), (4, 32134924), (8, 16067462), (16, 8033731), (317, 405488), (634, 202744), (1268, 101372), (2536, 50686), (5072, 25343)]