664196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 1280664

約数和(自身を除く): 616468

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 241, 482, 689, 964, 1378, 2756, 3133, 6266, 12532, 12773, 25546, 51092, 166049, 332098, 664196]

約数ペア:

[(1, 664196), (2, 332098), (4, 166049), (13, 51092), (26, 25546), (52, 12773), (53, 12532), (106, 6266), (212, 3133), (241, 2756), (482, 1378), (689, 964)]