81969448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4177}}^1$

素因数の和:4417

約数の個数: 32

約数和(自身を含む): 168456960

約数和(自身を除く): 86487512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 1784, 2453, 4177, 4906, 8354, 9812, 16708, 19624, 33416, 45947, 91894, 183788, 367576, 931471, 1862942, 3725884, 7451768, 10246181, 20492362, 40984724, 81969448]

約数ペア:

[(1, 81969448), (2, 40984724), (4, 20492362), (8, 10246181), (11, 7451768), (22, 3725884), (44, 1862942), (88, 931471), (223, 367576), (446, 183788), (892, 91894), (1784, 45947), (2453, 33416), (4177, 19624), (4906, 16708), (8354, 9812)]