80491734

素因数分解:

$2^1\times 3^2\times {\mathrm{1999}}^1\times {\mathrm{2237}}^1$

素因数の和:4244

約数の個数: 24

約数和(自身を含む): 174564000

約数和(自身を除く): 94072266

約数列:

[1, 2, 3, 6, 9, 18, 1999, 2237, 3998, 4474, 5997, 6711, 11994, 13422, 17991, 20133, 35982, 40266, 4471763, 8943526, 13415289, 26830578, 40245867, 80491734]

約数ペア:

[(1, 80491734), (2, 40245867), (3, 26830578), (6, 13415289), (9, 8943526), (18, 4471763), (1999, 40266), (2237, 35982), (3998, 20133), (4474, 17991), (5997, 13422), (6711, 11994)]