161738170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{86491}}^1$

素因数の和:86526

約数の個数: 32

約数和(自身を含む): 336280896

約数和(自身を除く): 174542726

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 86491, 172982, 432455, 864910, 951401, 1470347, 1902802, 2940694, 4757005, 7351735, 9514010, 14703470, 16173817, 32347634, 80869085, 161738170]

約数ペア:

[(1, 161738170), (2, 80869085), (5, 32347634), (10, 16173817), (11, 14703470), (17, 9514010), (22, 7351735), (34, 4757005), (55, 2940694), (85, 1902802), (110, 1470347), (170, 951401), (187, 864910), (374, 432455), (935, 172982), (1870, 86491)]