131871282

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 286488576

約数和(自身を除く): 154617294

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 71, 86, 129, 138, 142, 213, 258, 313, 426, 626, 939, 989, 1633, 1878, 1978, 2967, 3053, 3266, 4899, 5934, 6106, 7199, 9159, 9798, 13459, 14398, 18318, 21597, 22223, 26918, 40377, 43194, 44446, 66669, 70219, 80754, 133338, 140438, 210657, 309557, 421314, 511129, 619114, 928671, 955589, 1022258, 1533387, 1857342, 1911178, 2866767, 3066774, 5733534, 21978547, 43957094, 65935641, 131871282]

約数ペア:

[(1, 131871282), (2, 65935641), (3, 43957094), (6, 21978547), (23, 5733534), (43, 3066774), (46, 2866767), (69, 1911178), (71, 1857342), (86, 1533387), (129, 1022258), (138, 955589), (142, 928671), (213, 619114), (258, 511129), (313, 421314), (426, 309557), (626, 210657), (939, 140438), (989, 133338), (1633, 80754), (1878, 70219), (1978, 66669), (2967, 44446), (3053, 43194), (3266, 40377), (4899, 26918), (5934, 22223), (6106, 21597), (7199, 18318), (9159, 14398), (9798, 13459)]