31720676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12979}}^1$

素因数の和:13043

約数の個数: 24

約数和(自身を含む): 61057920

約数和(自身を除く): 29337244

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 12979, 25958, 51916, 168727, 337454, 610013, 674908, 1220026, 2440052, 7930169, 15860338, 31720676]

約数ペア:

[(1, 31720676), (2, 15860338), (4, 7930169), (13, 2440052), (26, 1220026), (47, 674908), (52, 610013), (94, 337454), (188, 168727), (611, 51916), (1222, 25958), (2444, 12979)]