81871588

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{7451}}^1$

素因数の和:7563

約数の個数: 24

約数和(自身を含む): 148980384

約数和(自身を除く): 67108796

約数列:

[1, 2, 4, 41, 67, 82, 134, 164, 268, 2747, 5494, 7451, 10988, 14902, 29804, 305491, 499217, 610982, 998434, 1221964, 1996868, 20467897, 40935794, 81871588]

約数ペア:

[(1, 81871588), (2, 40935794), (4, 20467897), (41, 1996868), (67, 1221964), (82, 998434), (134, 610982), (164, 499217), (268, 305491), (2747, 29804), (5494, 14902), (7451, 10988)]