1313698768

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{989231}}^1$

素因数の和:989322

約数の個数: 20

約数和(自身を含む): 2575960128

約数和(自身を除く): 1262261360

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 989231, 1978462, 3956924, 7913848, 15827696, 82106173, 164212346, 328424692, 656849384, 1313698768]

約数ペア:

[(1, 1313698768), (2, 656849384), (4, 328424692), (8, 164212346), (16, 82106173), (83, 15827696), (166, 7913848), (332, 3956924), (664, 1978462), (1328, 989231)]