28169986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 50750784

約数和(自身を除く): 22580798

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 163, 221, 289, 299, 326, 391, 442, 578, 598, 782, 2119, 2771, 3749, 3757, 4238, 5083, 5542, 6647, 7498, 7514, 10166, 13294, 36023, 47107, 48737, 63733, 72046, 86411, 94214, 97474, 127466, 172822, 612391, 828529, 1083461, 1224782, 1657058, 2166922, 14084993, 28169986]

約数ペア:

[(1, 28169986), (2, 14084993), (13, 2166922), (17, 1657058), (23, 1224782), (26, 1083461), (34, 828529), (46, 612391), (163, 172822), (221, 127466), (289, 97474), (299, 94214), (326, 86411), (391, 72046), (442, 63733), (578, 48737), (598, 47107), (782, 36023), (2119, 13294), (2771, 10166), (3749, 7514), (3757, 7498), (4238, 6647), (5083, 5542)]