87081988

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{23741}}^1$

素因数の和:23883

約数の個数: 24

約数和(自身を含む): 175500864

約数和(自身を除く): 88418876

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 23741, 47482, 94964, 166187, 332374, 664748, 3110071, 6220142, 12440284, 21770497, 43540994, 87081988]

約数ペア:

[(1, 87081988), (2, 43540994), (4, 21770497), (7, 12440284), (14, 6220142), (28, 3110071), (131, 664748), (262, 332374), (524, 166187), (917, 94964), (1834, 47482), (3668, 23741)]