81655714

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 143041536

約数和(自身を除く): 61385822

約数列:

[1, 2, 7, 14, 67, 134, 263, 331, 469, 526, 662, 938, 1841, 2317, 3682, 4634, 17621, 22177, 35242, 44354, 87053, 123347, 155239, 174106, 246694, 310478, 609371, 1218742, 5832551, 11665102, 40827857, 81655714]

約数ペア:

[(1, 81655714), (2, 40827857), (7, 11665102), (14, 5832551), (67, 1218742), (134, 609371), (263, 310478), (331, 246694), (469, 174106), (526, 155239), (662, 123347), (938, 87053), (1841, 44354), (2317, 35242), (3682, 22177), (4634, 17621)]