247984996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{285697}}^1$

素因数の和:285739

約数の個数: 24

約数和(自身を含む): 511970816

約数和(自身を除く): 263985820

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 285697, 571394, 1142788, 1999879, 3999758, 7999516, 8856607, 17713214, 35426428, 61996249, 123992498, 247984996]

約数ペア:

[(1, 247984996), (2, 123992498), (4, 61996249), (7, 35426428), (14, 17713214), (28, 8856607), (31, 7999516), (62, 3999758), (124, 1999879), (217, 1142788), (434, 571394), (868, 285697)]