81354928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299099}}^1$

素因数の和:299124

約数の個数: 20

約数和(自身を含む): 166897800

約数和(自身を除く): 85542872

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299099, 598198, 1196396, 2392792, 4785584, 5084683, 10169366, 20338732, 40677464, 81354928]

約数ペア:

[(1, 81354928), (2, 40677464), (4, 20338732), (8, 10169366), (16, 5084683), (17, 4785584), (34, 2392792), (68, 1196396), (136, 598198), (272, 299099)]