31241225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 41292000

約数和(自身を除く): 10050775

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 739, 1691, 2225, 3695, 8455, 14041, 18475, 42275, 65771, 70205, 328855, 351025, 1249649, 1644275, 6248245, 31241225]

約数ペア:

[(1, 31241225), (5, 6248245), (19, 1644275), (25, 1249649), (89, 351025), (95, 328855), (445, 70205), (475, 65771), (739, 42275), (1691, 18475), (2225, 14041), (3695, 8455)]