74720848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{274709}}^1$

素因数の和:274734

約数の個数: 20

約数和(自身を含む): 153288180

約数和(自身を除く): 78567332

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 274709, 549418, 1098836, 2197672, 4395344, 4670053, 9340106, 18680212, 37360424, 74720848]

約数ペア:

[(1, 74720848), (2, 37360424), (4, 18680212), (8, 9340106), (16, 4670053), (17, 4395344), (34, 2197672), (68, 1098836), (136, 549418), (272, 274709)]