155964518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{72139}}^1$

素因数の和:72211

約数の個数: 16

約数和(自身を含む): 249315840

約数和(自身を除く): 93351322

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 72139, 144278, 1659197, 3318394, 3390533, 6781066, 77982259, 155964518]

約数ペア:

[(1, 155964518), (2, 77982259), (23, 6781066), (46, 3390533), (47, 3318394), (94, 1659197), (1081, 144278), (2162, 72139)]