31198741

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 42024960

約数和(自身を除く): 10826219

約数列:

[1, 7, 19, 23, 31, 47, 49, 133, 161, 217, 329, 437, 589, 713, 893, 931, 1081, 1127, 1457, 1519, 2303, 3059, 4123, 4991, 6251, 7567, 10199, 13547, 20539, 21413, 27683, 28861, 33511, 34937, 43757, 52969, 71393, 94829, 143773, 193781, 234577, 636709, 663803, 1006411, 1356467, 1642039, 4456963, 31198741]

約数ペア:

[(1, 31198741), (7, 4456963), (19, 1642039), (23, 1356467), (31, 1006411), (47, 663803), (49, 636709), (133, 234577), (161, 193781), (217, 143773), (329, 94829), (437, 71393), (589, 52969), (713, 43757), (893, 34937), (931, 33511), (1081, 28861), (1127, 27683), (1457, 21413), (1519, 20539), (2303, 13547), (3059, 10199), (4123, 7567), (4991, 6251)]