72697781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3307}}^1$

素因数の和:3428

約数の個数: 16

約数和(自身を含む): 83361600

約数和(自身を除く): 10663819

約数列:

[1, 13, 19, 89, 247, 1157, 1691, 3307, 21983, 42991, 62833, 294323, 816829, 3826199, 5592137, 72697781]

約数ペア:

[(1, 72697781), (13, 5592137), (19, 3826199), (89, 816829), (247, 294323), (1157, 62833), (1691, 42991), (3307, 21983)]