30781942

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{1321}}^1$

素因数の和:1575

約数の個数: 16

約数和(自身を含む): 47211264

約数和(自身を除く): 16429322

約数列:

[1, 2, 61, 122, 191, 382, 1321, 2642, 11651, 23302, 80581, 161162, 252311, 504622, 15390971, 30781942]

約数ペア:

[(1, 30781942), (2, 15390971), (61, 504622), (122, 252311), (191, 161162), (382, 80581), (1321, 23302), (2642, 11651)]