661495318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1307303}}^1$

素因数の和:1307339

約数の個数: 16

約数和(自身を含む): 1129510656

約数和(自身を除く): 468015338

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 1307303, 2614606, 14380333, 28760666, 30067969, 60135938, 330747659, 661495318]

約数ペア:

[(1, 661495318), (2, 330747659), (11, 60135938), (22, 30067969), (23, 28760666), (46, 14380333), (253, 2614606), (506, 1307303)]