139891129

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 183859200

約数和(自身を除く): 43968071

約数列:

[1, 7, 19, 23, 47, 49, 133, 139, 161, 329, 437, 893, 931, 973, 1081, 1127, 2303, 2641, 3059, 3197, 6251, 6533, 6811, 7567, 18487, 20539, 21413, 22379, 43757, 45731, 52969, 60743, 124127, 129409, 143773, 150259, 156653, 320117, 425201, 868889, 1006411, 1051813, 2854921, 2976407, 6082223, 7362691, 19984447, 139891129]

約数ペア:

[(1, 139891129), (7, 19984447), (19, 7362691), (23, 6082223), (47, 2976407), (49, 2854921), (133, 1051813), (139, 1006411), (161, 868889), (329, 425201), (437, 320117), (893, 156653), (931, 150259), (973, 143773), (1081, 129409), (1127, 124127), (2303, 60743), (2641, 52969), (3059, 45731), (3197, 43757), (6251, 22379), (6533, 21413), (6811, 20539), (7567, 18487)]