128540718

素因数分解:

$2^1\times 3^2\times {\mathrm{1381}}^1\times {\mathrm{5171}}^1$

素因数の和:6560

約数の個数: 24

約数和(自身を含む): 278760456

約数和(自身を除く): 150219738

約数列:

[1, 2, 3, 6, 9, 18, 1381, 2762, 4143, 5171, 8286, 10342, 12429, 15513, 24858, 31026, 46539, 93078, 7141151, 14282302, 21423453, 42846906, 64270359, 128540718]

約数ペア:

[(1, 128540718), (2, 64270359), (3, 42846906), (6, 21423453), (9, 14282302), (18, 7141151), (1381, 93078), (2762, 46539), (4143, 31026), (5171, 24858), (8286, 15513), (10342, 12429)]