28505872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{104801}}^1$

素因数の和:104826

約数の個数: 20

約数和(自身を含む): 58479516

約数和(自身を除く): 29973644

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 104801, 209602, 419204, 838408, 1676816, 1781617, 3563234, 7126468, 14252936, 28505872]

約数ペア:

[(1, 28505872), (2, 14252936), (4, 7126468), (8, 3563234), (16, 1781617), (17, 1676816), (34, 838408), (68, 419204), (136, 209602), (272, 104801)]