81716195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 116974368

約数和(自身を除く): 35258173

約数列:

[1, 5, 11, 17, 53, 55, 85, 97, 187, 265, 289, 485, 583, 901, 935, 1067, 1445, 1649, 2915, 3179, 4505, 5141, 5335, 8245, 9911, 15317, 15895, 18139, 25705, 28033, 49555, 56551, 76585, 87397, 90695, 140165, 168487, 282755, 308363, 436985, 842435, 961367, 1485749, 1541815, 4806835, 7428745, 16343239, 81716195]

約数ペア:

[(1, 81716195), (5, 16343239), (11, 7428745), (17, 4806835), (53, 1541815), (55, 1485749), (85, 961367), (97, 842435), (187, 436985), (265, 308363), (289, 282755), (485, 168487), (583, 140165), (901, 90695), (935, 87397), (1067, 76585), (1445, 56551), (1649, 49555), (2915, 28033), (3179, 25705), (4505, 18139), (5141, 15895), (5335, 15317), (8245, 9911)]