31317090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 86448384

約数和(自身を除く): 55131294

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 197, 210, 394, 591, 757, 985, 1182, 1379, 1514, 1970, 2271, 2758, 2955, 3785, 4137, 4542, 5299, 5910, 6895, 7570, 8274, 10598, 11355, 13790, 15897, 20685, 22710, 26495, 31794, 41370, 52990, 79485, 149129, 158970, 298258, 447387, 745645, 894774, 1043903, 1491290, 2087806, 2236935, 3131709, 4473870, 5219515, 6263418, 10439030, 15658545, 31317090]

約数ペア:

[(1, 31317090), (2, 15658545), (3, 10439030), (5, 6263418), (6, 5219515), (7, 4473870), (10, 3131709), (14, 2236935), (15, 2087806), (21, 1491290), (30, 1043903), (35, 894774), (42, 745645), (70, 447387), (105, 298258), (197, 158970), (210, 149129), (394, 79485), (591, 52990), (757, 41370), (985, 31794), (1182, 26495), (1379, 22710), (1514, 20685), (1970, 15897), (2271, 13790), (2758, 11355), (2955, 10598), (3785, 8274), (4137, 7570), (4542, 6895), (5299, 5910)]