64964945

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 79073280

約数和(自身を除く): 14108335

約数列:

[1, 5, 127, 263, 389, 635, 1315, 1945, 33401, 49403, 102307, 167005, 247015, 511535, 12992989, 64964945]

約数ペア:

[(1, 64964945), (5, 12992989), (127, 511535), (263, 247015), (389, 167005), (635, 102307), (1315, 49403), (1945, 33401)]