78872648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1973}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 156340800

約数和(自身を除く): 77468152

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 263, 526, 1052, 1973, 2104, 3946, 4997, 7892, 9994, 15784, 19988, 37487, 39976, 74974, 149948, 299896, 518899, 1037798, 2075596, 4151192, 9859081, 19718162, 39436324, 78872648]

約数ペア:

[(1, 78872648), (2, 39436324), (4, 19718162), (8, 9859081), (19, 4151192), (38, 2075596), (76, 1037798), (152, 518899), (263, 299896), (526, 149948), (1052, 74974), (1973, 39976), (2104, 37487), (3946, 19988), (4997, 15784), (7892, 9994)]