66789564

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{42487}}^1$

素因数の和:42625

約数の個数: 24

約数和(自身を含む): 157035648

約数和(自身を除く): 90246084

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 42487, 84974, 127461, 169948, 254922, 509844, 5565797, 11131594, 16697391, 22263188, 33394782, 66789564]

約数ペア:

[(1, 66789564), (2, 33394782), (3, 22263188), (4, 16697391), (6, 11131594), (12, 5565797), (131, 509844), (262, 254922), (393, 169948), (524, 127461), (786, 84974), (1572, 42487)]