1999115967

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{64303}}^1$

素因数の和:64590

約数の個数: 16

約数和(自身を含む): 2738835968

約数和(自身を除く): 739720001

約数列:

[1, 3, 43, 129, 241, 723, 10363, 31089, 64303, 192909, 2765029, 8295087, 15497023, 46491069, 666371989, 1999115967]

約数ペア:

[(1, 1999115967), (3, 666371989), (43, 46491069), (129, 15497023), (241, 8295087), (723, 2765029), (10363, 192909), (31089, 64303)]