1639089906

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{681251}}^1$

素因数の和:681657

約数の個数: 16

約数和(自身を含む): 3286359648

約数和(自身を除く): 1647269742

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 681251, 1362502, 2043753, 4087506, 273181651, 546363302, 819544953, 1639089906]

約数ペア:

[(1, 1639089906), (2, 819544953), (3, 546363302), (6, 273181651), (401, 4087506), (802, 2043753), (1203, 1362502), (2406, 681251)]