81801566

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 157863552

約数和(自身を除く): 76061986

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 121, 154, 242, 301, 473, 602, 847, 946, 1123, 1694, 2246, 3311, 5203, 6622, 7861, 10406, 12353, 15722, 24706, 36421, 48289, 72842, 86471, 96578, 135883, 172942, 271766, 338023, 531179, 676046, 951181, 1062358, 1902362, 3718253, 5842969, 7436506, 11685938, 40900783, 81801566]

約数ペア:

[(1, 81801566), (2, 40900783), (7, 11685938), (11, 7436506), (14, 5842969), (22, 3718253), (43, 1902362), (77, 1062358), (86, 951181), (121, 676046), (154, 531179), (242, 338023), (301, 271766), (473, 172942), (602, 135883), (847, 96578), (946, 86471), (1123, 72842), (1694, 48289), (2246, 36421), (3311, 24706), (5203, 15722), (6622, 12353), (7861, 10406)]