31286815

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 13065185

約数列:

[1, 5, 7, 35, 59, 109, 139, 295, 413, 545, 695, 763, 973, 2065, 3815, 4865, 6431, 8201, 15151, 32155, 41005, 45017, 57407, 75755, 106057, 225085, 287035, 530285, 893909, 4469545, 6257363, 31286815]

約数ペア:

[(1, 31286815), (5, 6257363), (7, 4469545), (35, 893909), (59, 530285), (109, 287035), (139, 225085), (295, 106057), (413, 75755), (545, 57407), (695, 45017), (763, 41005), (973, 32155), (2065, 15151), (3815, 8201), (4865, 6431)]