67863728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{249499}}^1$

素因数の和:249524

約数の個数: 20

約数和(自身を含む): 139221000

約数和(自身を除く): 71357272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 249499, 498998, 997996, 1995992, 3991984, 4241483, 8482966, 16965932, 33931864, 67863728]

約数ペア:

[(1, 67863728), (2, 33931864), (4, 16965932), (8, 8482966), (16, 4241483), (17, 3991984), (34, 1995992), (68, 997996), (136, 498998), (272, 249499)]