81874210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43783}}^1$

素因数の和:43818

約数の個数: 32

約数和(自身を含む): 170232192

約数和(自身を除く): 88357982

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 43783, 87566, 218915, 437830, 481613, 744311, 963226, 1488622, 2408065, 3721555, 4816130, 7443110, 8187421, 16374842, 40937105, 81874210]

約数ペア:

[(1, 81874210), (2, 40937105), (5, 16374842), (10, 8187421), (11, 7443110), (17, 4816130), (22, 3721555), (34, 2408065), (55, 1488622), (85, 963226), (110, 744311), (170, 481613), (187, 437830), (374, 218915), (935, 87566), (1870, 43783)]