71661821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10457}}^1$

素因数の和:10564

約数の個数: 16

約数和(自身を含む): 90357120

約数和(自身を除く): 18695299

約数列:

[1, 7, 11, 77, 89, 623, 979, 6853, 10457, 73199, 115027, 805189, 930673, 6514711, 10237403, 71661821]

約数ペア:

[(1, 71661821), (7, 10237403), (11, 6514711), (77, 930673), (89, 805189), (623, 115027), (979, 73199), (6853, 10457)]