64019824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21397}}^1$

素因数の和:21433

約数の個数: 40

約数和(自身を含む): 143281008

約数和(自身を除く): 79261184

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 21397, 42794, 85588, 171176, 235367, 342352, 363749, 470734, 727498, 941468, 1454996, 1882936, 2909992, 3765872, 4001239, 5819984, 8002478, 16004956, 32009912, 64019824]

約数ペア:

[(1, 64019824), (2, 32009912), (4, 16004956), (8, 8002478), (11, 5819984), (16, 4001239), (17, 3765872), (22, 2909992), (34, 1882936), (44, 1454996), (68, 941468), (88, 727498), (136, 470734), (176, 363749), (187, 342352), (272, 235367), (374, 171176), (748, 85588), (1496, 42794), (2992, 21397)]