161710315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 218566656

約数和(自身を除く): 56856341

約数列:

[1, 5, 13, 43, 47, 65, 215, 235, 559, 611, 1231, 2021, 2795, 3055, 6155, 10105, 16003, 26273, 52933, 57857, 80015, 131365, 264665, 289285, 688129, 752141, 2487851, 3440645, 3760705, 12439255, 32342063, 161710315]

約数ペア:

[(1, 161710315), (5, 32342063), (13, 12439255), (43, 3760705), (47, 3440645), (65, 2487851), (215, 752141), (235, 688129), (559, 289285), (611, 264665), (1231, 131365), (2021, 80015), (2795, 57857), (3055, 52933), (6155, 26273), (10105, 16003)]