168403390

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 306835776

約数和(自身を除く): 138432386

約数列:

[1, 2, 5, 10, 173, 311, 313, 346, 622, 626, 865, 1555, 1565, 1730, 3110, 3130, 53803, 54149, 97343, 107606, 108298, 194686, 269015, 270745, 486715, 538030, 541490, 973430, 16840339, 33680678, 84201695, 168403390]

約数ペア:

[(1, 168403390), (2, 84201695), (5, 33680678), (10, 16840339), (173, 973430), (311, 541490), (313, 538030), (346, 486715), (622, 270745), (626, 269015), (865, 194686), (1555, 108298), (1565, 107606), (1730, 97343), (3110, 54149), (3130, 53803)]