261773764

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{406481}}^1$

素因数の和:406515

約数の個数: 24

約数和(自身を含む): 546311808

約数和(自身を除く): 284538044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 406481, 812962, 1625924, 2845367, 5690734, 9349063, 11381468, 18698126, 37396252, 65443441, 130886882, 261773764]

約数ペア:

[(1, 261773764), (2, 130886882), (4, 65443441), (7, 37396252), (14, 18698126), (23, 11381468), (28, 9349063), (46, 5690734), (92, 2845367), (161, 1625924), (322, 812962), (644, 406481)]