128971782

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{73867}}^1$

素因数の和:73972

約数の個数: 24

約数和(自身を含む): 282323496

約数和(自身を除く): 153351714

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 73867, 147734, 221601, 443202, 664803, 1329606, 7165099, 14330198, 21495297, 42990594, 64485891, 128971782]

約数ペア:

[(1, 128971782), (2, 64485891), (3, 42990594), (6, 21495297), (9, 14330198), (18, 7165099), (97, 1329606), (194, 664803), (291, 443202), (582, 221601), (873, 147734), (1746, 73867)]