31390147

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 34848000

約数和(自身を除く): 3457853

約数列:

[1, 19, 23, 109, 437, 659, 2071, 2507, 12521, 15157, 47633, 71831, 287983, 1364789, 1652113, 31390147]

約数ペア:

[(1, 31390147), (19, 1652113), (23, 1364789), (109, 287983), (437, 71831), (659, 47633), (2071, 15157), (2507, 12521)]