209725904

素因数分解:

$2^4\times {\mathrm{2591}}^1\times {\mathrm{5059}}^1$

素因数の和:7658

約数の個数: 20

約数和(自身を含む): 406581120

約数和(自身を除く): 196855216

約数列:

[1, 2, 4, 8, 16, 2591, 5059, 5182, 10118, 10364, 20236, 20728, 40472, 41456, 80944, 13107869, 26215738, 52431476, 104862952, 209725904]

約数ペア:

[(1, 209725904), (2, 104862952), (4, 52431476), (8, 26215738), (16, 13107869), (2591, 80944), (5059, 41456), (5182, 40472), (10118, 20728), (10364, 20236)]