31871866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{8819}}^1$

素因数の和:8973

約数の個数: 16

約数和(自身を含む): 51861600

約数和(自身を除く): 19989734

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 8819, 17638, 114647, 229294, 1225841, 2451682, 15935933, 31871866]

約数ペア:

[(1, 31871866), (2, 15935933), (13, 2451682), (26, 1225841), (139, 229294), (278, 114647), (1807, 17638), (3614, 8819)]