1291888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6211}}^1$

素因数の和:6232

約数の個数: 20

約数和(自身を含む): 2696008

約数和(自身を除く): 1404120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6211, 12422, 24844, 49688, 80743, 99376, 161486, 322972, 645944, 1291888]

約数ペア:

[(1, 1291888), (2, 645944), (4, 322972), (8, 161486), (13, 99376), (16, 80743), (26, 49688), (52, 24844), (104, 12422), (208, 6211)]