279995674

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 486725760

約数和(自身を除く): 206730086

約数列:

[1, 2, 7, 14, 107, 214, 409, 457, 749, 818, 914, 1498, 2863, 3199, 5726, 6398, 43763, 48899, 87526, 97798, 186913, 306341, 342293, 373826, 612682, 684586, 1308391, 2616782, 19999691, 39999382, 139997837, 279995674]

約数ペア:

[(1, 279995674), (2, 139997837), (7, 39999382), (14, 19999691), (107, 2616782), (214, 1308391), (409, 684586), (457, 612682), (749, 373826), (818, 342293), (914, 306341), (1498, 186913), (2863, 97798), (3199, 87526), (5726, 48899), (6398, 43763)]