31237794

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 79707888

約数和(自身を除く): 48470094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 107, 126, 147, 214, 294, 321, 331, 441, 642, 662, 749, 882, 963, 993, 1498, 1926, 1986, 2247, 2317, 2979, 4494, 4634, 5243, 5958, 6741, 6951, 10486, 13482, 13902, 15729, 16219, 20853, 31458, 32438, 35417, 41706, 47187, 48657, 70834, 94374, 97314, 106251, 145971, 212502, 247919, 291942, 318753, 495838, 637506, 743757, 1487514, 1735433, 2231271, 3470866, 4462542, 5206299, 10412598, 15618897, 31237794]

約数ペア:

[(1, 31237794), (2, 15618897), (3, 10412598), (6, 5206299), (7, 4462542), (9, 3470866), (14, 2231271), (18, 1735433), (21, 1487514), (42, 743757), (49, 637506), (63, 495838), (98, 318753), (107, 291942), (126, 247919), (147, 212502), (214, 145971), (294, 106251), (321, 97314), (331, 94374), (441, 70834), (642, 48657), (662, 47187), (749, 41706), (882, 35417), (963, 32438), (993, 31458), (1498, 20853), (1926, 16219), (1986, 15729), (2247, 13902), (2317, 13482), (2979, 10486), (4494, 6951), (4634, 6741), (5243, 5958)]