1328021219

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{18371}}^1$

素因数の和:18850

約数の個数: 16

約数和(自身を含む): 1587340800

約数和(自身を除く): 259319581

約数列:

[1, 7, 23, 161, 449, 3143, 10327, 18371, 72289, 128597, 422533, 2957731, 8248579, 57740053, 189717317, 1328021219]

約数ペア:

[(1, 1328021219), (7, 189717317), (23, 57740053), (161, 8248579), (449, 2957731), (3143, 422533), (10327, 128597), (18371, 72289)]