216936742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{25349}}^1$

素因数の和:25751

約数の個数: 16

約数和(自身を含む): 355914000

約数和(自身を除く): 138977258

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 25349, 50698, 278839, 557678, 9860761, 19721522, 108468371, 216936742]

約数ペア:

[(1, 216936742), (2, 108468371), (11, 19721522), (22, 9860761), (389, 557678), (778, 278839), (4279, 50698), (8558, 25349)]