8681128561

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 10573479936

約数和(自身を除く): 1892351375

約数列:

[1, 7, 47, 49, 67, 127, 329, 443, 469, 889, 2303, 3101, 3149, 3283, 5969, 6223, 8509, 20821, 21707, 22043, 29681, 41783, 56261, 59563, 145747, 154301, 207767, 292481, 393827, 399923, 416941, 1020229, 1395007, 1454369, 2644267, 2756789, 2799461, 3769487, 9765049, 18509869, 19596227, 26386409, 68355343, 129569083, 177165889, 184704863, 1240161223, 8681128561]

約数ペア:

[(1, 8681128561), (7, 1240161223), (47, 184704863), (49, 177165889), (67, 129569083), (127, 68355343), (329, 26386409), (443, 19596227), (469, 18509869), (889, 9765049), (2303, 3769487), (3101, 2799461), (3149, 2756789), (3283, 2644267), (5969, 1454369), (6223, 1395007), (8509, 1020229), (20821, 416941), (21707, 399923), (22043, 393827), (29681, 292481), (41783, 207767), (56261, 154301), (59563, 145747)]