138315025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{563}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 177917184

約数和(自身を除く): 39602159

約数列:

[1, 5, 25, 31, 155, 317, 563, 775, 1585, 2815, 7925, 9827, 14075, 17453, 49135, 87265, 178471, 245675, 436325, 892355, 4461775, 5532601, 27663005, 138315025]

約数ペア:

[(1, 138315025), (5, 27663005), (25, 5532601), (31, 4461775), (155, 892355), (317, 436325), (563, 245675), (775, 178471), (1585, 87265), (2815, 49135), (7925, 17453), (9827, 14075)]