1991567170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{403969}}^1$

素因数の和:404022

約数の個数: 32

約数和(自身を含む): 3926588400

約数和(自身を除く): 1935021230

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 403969, 807938, 2019845, 4039690, 6867473, 11715101, 13734946, 23430202, 34337365, 58575505, 68674730, 117151010, 199156717, 398313434, 995783585, 1991567170]

約数ペア:

[(1, 1991567170), (2, 995783585), (5, 398313434), (10, 199156717), (17, 117151010), (29, 68674730), (34, 58575505), (58, 34337365), (85, 23430202), (145, 13734946), (170, 11715101), (290, 6867473), (493, 4039690), (986, 2019845), (2465, 807938), (4930, 403969)]