131507425

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3463}}^1$

素因数の和:3518

約数の個数: 36

約数和(自身を含む): 195868416

約数和(自身を除く): 64360991

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 775, 1085, 1225, 1519, 3463, 5425, 7595, 17315, 24241, 37975, 86575, 107353, 121205, 169687, 536765, 606025, 751471, 848435, 2683825, 3757355, 4242175, 5260297, 18786775, 26301485, 131507425]

約数ペア:

[(1, 131507425), (5, 26301485), (7, 18786775), (25, 5260297), (31, 4242175), (35, 3757355), (49, 2683825), (155, 848435), (175, 751471), (217, 606025), (245, 536765), (775, 169687), (1085, 121205), (1225, 107353), (1519, 86575), (3463, 37975), (5425, 24241), (7595, 17315)]