67281328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{102563}}^1$

素因数の和:102612

約数の個数: 20

約数和(自身を含む): 133538328

約数和(自身を除く): 66257000

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 102563, 205126, 410252, 820504, 1641008, 4205083, 8410166, 16820332, 33640664, 67281328]

約数ペア:

[(1, 67281328), (2, 33640664), (4, 16820332), (8, 8410166), (16, 4205083), (41, 1641008), (82, 820504), (164, 410252), (328, 205126), (656, 102563)]