26943790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 49719744

約数和(自身を除く): 22775954

約数列:

[1, 2, 5, 10, 71, 137, 142, 274, 277, 355, 554, 685, 710, 1370, 1385, 2770, 9727, 19454, 19667, 37949, 39334, 48635, 75898, 97270, 98335, 189745, 196670, 379490, 2694379, 5388758, 13471895, 26943790]

約数ペア:

[(1, 26943790), (2, 13471895), (5, 5388758), (10, 2694379), (71, 379490), (137, 196670), (142, 189745), (274, 98335), (277, 97270), (355, 75898), (554, 48635), (685, 39334), (710, 37949), (1370, 19667), (1385, 19454), (2770, 9727)]