207880988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181081}}^1$

素因数の和:181133

約数の個数: 24

約数和(自身を含む): 425904864

約数和(自身を除く): 218023876

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 181081, 362162, 724324, 1267567, 2535134, 5070268, 7424321, 14848642, 29697284, 51970247, 103940494, 207880988]

約数ペア:

[(1, 207880988), (2, 103940494), (4, 51970247), (7, 29697284), (14, 14848642), (28, 7424321), (41, 5070268), (82, 2535134), (164, 1267567), (287, 724324), (574, 362162), (1148, 181081)]