1290778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 16

約数和(自身を含む): 2027520

約数和(自身を除く): 736742

約数列:

[1, 2, 31, 62, 109, 191, 218, 382, 3379, 5921, 6758, 11842, 20819, 41638, 645389, 1290778]

約数ペア:

[(1, 1290778), (2, 645389), (31, 41638), (62, 20819), (109, 11842), (191, 6758), (218, 5921), (382, 3379)]