71455181

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 94556160

約数和(自身を除く): 23100979

約数列:

[1, 7, 19, 23, 47, 49, 71, 133, 161, 329, 437, 497, 893, 931, 1081, 1127, 1349, 1633, 2303, 3059, 3337, 3479, 6251, 7567, 9443, 11431, 20539, 21413, 23359, 31027, 43757, 52969, 63403, 66101, 76751, 80017, 143773, 163513, 217189, 443821, 537257, 1006411, 1458269, 1520323, 3106747, 3760799, 10207883, 71455181]

約数ペア:

[(1, 71455181), (7, 10207883), (19, 3760799), (23, 3106747), (47, 1520323), (49, 1458269), (71, 1006411), (133, 537257), (161, 443821), (329, 217189), (437, 163513), (497, 143773), (893, 80017), (931, 76751), (1081, 66101), (1127, 63403), (1349, 52969), (1633, 43757), (2303, 31027), (3059, 23359), (3337, 21413), (3479, 20539), (6251, 11431), (7567, 9443)]