81991434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4637}}^1$

素因数の和:5070

約数の個数: 32

約数和(自身を含む): 187894656

約数和(自身を除く): 105903222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421, 842, 1263, 2526, 2947, 4637, 5894, 8841, 9274, 13911, 17682, 27822, 32459, 64918, 97377, 194754, 1952177, 3904354, 5856531, 11713062, 13665239, 27330478, 40995717, 81991434]

約数ペア:

[(1, 81991434), (2, 40995717), (3, 27330478), (6, 13665239), (7, 11713062), (14, 5856531), (21, 3904354), (42, 1952177), (421, 194754), (842, 97377), (1263, 64918), (2526, 32459), (2947, 27822), (4637, 17682), (5894, 13911), (8841, 9274)]