31219265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 15920575

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 385, 619, 655, 917, 1441, 3095, 4333, 4585, 6809, 7205, 10087, 21665, 34045, 47663, 50435, 81089, 238315, 405445, 567623, 891979, 2838115, 4459895, 6243853, 31219265]

約数ペア:

[(1, 31219265), (5, 6243853), (7, 4459895), (11, 2838115), (35, 891979), (55, 567623), (77, 405445), (131, 238315), (385, 81089), (619, 50435), (655, 47663), (917, 34045), (1441, 21665), (3095, 10087), (4333, 7205), (4585, 6809)]