128681018

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{2129}}^1$

素因数の和:2821

約数の個数: 16

約数和(自身を含む): 197527680

約数和(自身を除く): 68846662

約数列:

[1, 2, 47, 94, 643, 1286, 2129, 4258, 30221, 60442, 100063, 200126, 1368947, 2737894, 64340509, 128681018]

約数ペア:

[(1, 128681018), (2, 64340509), (47, 2737894), (94, 1368947), (643, 200126), (1286, 100063), (2129, 60442), (4258, 30221)]