1971291275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 2580022368

約数和(自身を除く): 608731093

約数列:

[1, 5, 25, 41, 53, 131, 205, 265, 277, 655, 1025, 1325, 1385, 2173, 3275, 5371, 6925, 6943, 10865, 11357, 14681, 26855, 34715, 36287, 54325, 56785, 73405, 134275, 173575, 181435, 283925, 284663, 367025, 601921, 907175, 1423315, 1487767, 1923211, 3009605, 7116575, 7438835, 9616055, 15048025, 37194175, 48080275, 78851651, 394258255, 1971291275]

約数ペア:

[(1, 1971291275), (5, 394258255), (25, 78851651), (41, 48080275), (53, 37194175), (131, 15048025), (205, 9616055), (265, 7438835), (277, 7116575), (655, 3009605), (1025, 1923211), (1325, 1487767), (1385, 1423315), (2173, 907175), (3275, 601921), (5371, 367025), (6925, 284663), (6943, 283925), (10865, 181435), (11357, 173575), (14681, 134275), (26855, 73405), (34715, 56785), (36287, 54325)]