66986808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{398731}}^1$

素因数の和:398747

約数の個数: 32

約数和(自身を含む): 191391360

約数和(自身を除く): 124404552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 398731, 797462, 1196193, 1594924, 2392386, 2791117, 3189848, 4784772, 5582234, 8373351, 9569544, 11164468, 16746702, 22328936, 33493404, 66986808]

約数ペア:

[(1, 66986808), (2, 33493404), (3, 22328936), (4, 16746702), (6, 11164468), (7, 9569544), (8, 8373351), (12, 5582234), (14, 4784772), (21, 3189848), (24, 2791117), (28, 2392386), (42, 1594924), (56, 1196193), (84, 797462), (168, 398731)]