274881490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{5273}}^1$

素因数の和:5694

約数の個数: 32

約数和(自身を含む): 534277296

約数和(自身を除く): 259395806

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 2005, 4010, 5213, 5273, 10426, 10546, 26065, 26365, 52130, 52730, 68549, 137098, 342745, 685490, 2114473, 4228946, 10572365, 21144730, 27488149, 54976298, 137440745, 274881490]

約数ペア:

[(1, 274881490), (2, 137440745), (5, 54976298), (10, 27488149), (13, 21144730), (26, 10572365), (65, 4228946), (130, 2114473), (401, 685490), (802, 342745), (2005, 137098), (4010, 68549), (5213, 52730), (5273, 52130), (10426, 26365), (10546, 26065)]