81419978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{40427}}^1$

素因数の和:40501

約数の個数: 16

約数和(自身を含む): 130986720

約数和(自身を除く): 49566742

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 40427, 80854, 768113, 1536226, 2142631, 4285262, 40709989, 81419978]

約数ペア:

[(1, 81419978), (2, 40709989), (19, 4285262), (38, 2142631), (53, 1536226), (106, 768113), (1007, 80854), (2014, 40427)]