71571728

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{10937}}^1$

素因数の和:11354

約数の個数: 20

約数和(自身を含む): 139021980

約数和(自身を除く): 67450252

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 10937, 21874, 43748, 87496, 174992, 4473233, 8946466, 17892932, 35785864, 71571728]

約数ペア:

[(1, 71571728), (2, 35785864), (4, 17892932), (8, 8946466), (16, 4473233), (409, 174992), (818, 87496), (1636, 43748), (3272, 21874), (6544, 10937)]