13121983

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 15782400

約数和(自身を除く): 2660417

約数列:

[1, 7, 23, 149, 161, 547, 1043, 3427, 3829, 12581, 23989, 81503, 88067, 570521, 1874569, 13121983]

約数ペア:

[(1, 13121983), (7, 1874569), (23, 570521), (149, 88067), (161, 81503), (547, 23989), (1043, 12581), (3427, 3829)]