2549538579

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6389821}}^1$

素因数の和:6389850

約数の個数: 16

約数和(自身を含む): 4089486080

約数和(自身を除く): 1539947501

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6389821, 19169463, 44728747, 121406599, 134186241, 364219797, 849846193, 2549538579]

約数ペア:

[(1, 2549538579), (3, 849846193), (7, 364219797), (19, 134186241), (21, 121406599), (57, 44728747), (133, 19169463), (399, 6389821)]