66157540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{194581}}^1$

素因数の和:194607

約数の個数: 24

約数和(自身を含む): 147103992

約数和(自身を除く): 80946452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 194581, 389162, 778324, 972905, 1945810, 3307877, 3891620, 6615754, 13231508, 16539385, 33078770, 66157540]

約数ペア:

[(1, 66157540), (2, 33078770), (4, 16539385), (5, 13231508), (10, 6615754), (17, 3891620), (20, 3307877), (34, 1945810), (68, 972905), (85, 778324), (170, 389162), (340, 194581)]