641743202

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1\times {\mathrm{3719}}^1$

素因数の和:3998

約数の個数: 24

約数和(自身を含む): 1020470400

約数和(自身を除く): 378727198

約数列:

[1, 2, 19, 38, 239, 361, 478, 722, 3719, 4541, 7438, 9082, 70661, 86279, 141322, 172558, 888841, 1342559, 1777682, 2685118, 16887979, 33775958, 320871601, 641743202]

約数ペア:

[(1, 641743202), (2, 320871601), (19, 33775958), (38, 16887979), (239, 2685118), (361, 1777682), (478, 1342559), (722, 888841), (3719, 172558), (4541, 141322), (7438, 86279), (9082, 70661)]