201945904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{407149}}^1$

素因数の和:407188

約数の個数: 20

約数和(自身を含む): 403892800

約数和(自身を除く): 201946896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 407149, 814298, 1628596, 3257192, 6514384, 12621619, 25243238, 50486476, 100972952, 201945904]

約数ペア:

[(1, 201945904), (2, 100972952), (4, 50486476), (8, 25243238), (16, 12621619), (31, 6514384), (62, 3257192), (124, 1628596), (248, 814298), (496, 407149)]