778868002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{324799}}^1$

素因数の和:324921

約数の個数: 16

約数和(自身を含む): 1286208000

約数和(自身を除く): 507339998

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 324799, 649598, 3572789, 7145578, 35403091, 70806182, 389434001, 778868002]

約数ペア:

[(1, 778868002), (2, 389434001), (11, 70806182), (22, 35403091), (109, 7145578), (218, 3572789), (1199, 649598), (2398, 324799)]