81137942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{7879}}^1$

素因数の和:8171

約数の個数: 16

約数和(自身を含む): 128601600

約数和(自身を除く): 47463658

約数列:

[1, 2, 19, 38, 271, 542, 5149, 7879, 10298, 15758, 149701, 299402, 2135209, 4270418, 40568971, 81137942]

約数ペア:

[(1, 81137942), (2, 40568971), (19, 4270418), (38, 2135209), (271, 299402), (542, 149701), (5149, 15758), (7879, 10298)]