641567778002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{40102999}}^1$

素因数の和:40103441

約数の個数: 16

約数和(自身を含む): 1015407960000

約数和(自身を除く): 373840181998

約数列:

[1, 2, 19, 38, 421, 842, 7999, 15998, 40102999, 80205998, 761956981, 1523913962, 16883362579, 33766725158, 320783889001, 641567778002]

約数ペア:

[(1, 641567778002), (2, 320783889001), (19, 33766725158), (38, 16883362579), (421, 1523913962), (842, 761956981), (7999, 80205998), (15998, 40102999)]