215522714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{193}}^2\times {\mathrm{263}}^1$

素因数の和:662

約数の個数: 24

約数和(自身を含む): 355858272

約数和(自身を除く): 140335558

約数列:

[1, 2, 11, 22, 193, 263, 386, 526, 2123, 2893, 4246, 5786, 37249, 50759, 74498, 101518, 409739, 558349, 819478, 1116698, 9796487, 19592974, 107761357, 215522714]

約数ペア:

[(1, 215522714), (2, 107761357), (11, 19592974), (22, 9796487), (193, 1116698), (263, 819478), (386, 558349), (526, 409739), (2123, 101518), (2893, 74498), (4246, 50759), (5786, 37249)]