64721090660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190356149}}^1$

素因数の和:190356175

約数の個数: 24

約数和(自身を含む): 143909249400

約数和(自身を除く): 79188158740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190356149, 380712298, 761424596, 951780745, 1903561490, 3236054533, 3807122980, 6472109066, 12944218132, 16180272665, 32360545330, 64721090660]

約数ペア:

[(1, 64721090660), (2, 32360545330), (4, 16180272665), (5, 12944218132), (10, 6472109066), (17, 3807122980), (20, 3236054533), (34, 1903561490), (68, 951780745), (85, 761424596), (170, 380712298), (340, 190356149)]