209996642009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1\times {\mathrm{68899}}^1$

素因数の和:70661

約数の個数: 32

約数和(自身を含む): 273359923200

約数和(自身を除く): 63363281191

約数列:

[1, 7, 11, 23, 77, 161, 253, 1721, 1771, 12047, 18931, 39583, 68899, 132517, 277081, 435413, 482293, 757889, 1584677, 3047891, 5305223, 11092739, 17431447, 118575179, 122020129, 830026253, 1304326969, 2727229117, 9130288783, 19090603819, 29999520287, 209996642009]

約数ペア:

[(1, 209996642009), (7, 29999520287), (11, 19090603819), (23, 9130288783), (77, 2727229117), (161, 1304326969), (253, 830026253), (1721, 122020129), (1771, 118575179), (12047, 17431447), (18931, 11092739), (39583, 5305223), (68899, 3047891), (132517, 1584677), (277081, 757889), (435413, 482293)]