31978579

素因数分解:

${\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 12

約数和(自身を含む): 34011712

約数和(自身を除く): 2033133

約数列:

[1, 23, 61, 529, 991, 1403, 22793, 32269, 60451, 524239, 1390373, 31978579]

約数ペア:

[(1, 31978579), (23, 1390373), (61, 524239), (529, 60451), (991, 32269), (1403, 22793)]