12640823

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 14439936

約数和(自身を除く): 1799113

約数列:

[1, 13, 23, 67, 299, 631, 871, 1541, 8203, 14513, 20033, 42277, 188669, 549601, 972371, 12640823]

約数ペア:

[(1, 12640823), (13, 972371), (23, 549601), (67, 188669), (299, 42277), (631, 20033), (871, 14513), (1541, 8203)]