689325424

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1389769}}^1$

素因数の和:1389808

約数の個数: 20

約数和(自身を含む): 1378651840

約数和(自身を除く): 689326416

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1389769, 2779538, 5559076, 11118152, 22236304, 43082839, 86165678, 172331356, 344662712, 689325424]

約数ペア:

[(1, 689325424), (2, 344662712), (4, 172331356), (8, 86165678), (16, 43082839), (31, 22236304), (62, 11118152), (124, 5559076), (248, 2779538), (496, 1389769)]