281993764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{21101}}^1$

素因数の和:21375

約数の個数: 24

約数和(自身を含む): 533542968

約数和(自身を除く): 251549204

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 3341, 6682, 13364, 21101, 42202, 84404, 274313, 548626, 1097252, 5422957, 10845914, 21691828, 70498441, 140996882, 281993764]

約数ペア:

[(1, 281993764), (2, 140996882), (4, 70498441), (13, 21691828), (26, 10845914), (52, 5422957), (257, 1097252), (514, 548626), (1028, 274313), (3341, 84404), (6682, 42202), (13364, 21101)]