2178118947

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{65699}}^1$

素因数の和:66002

約数の個数: 16

約数和(自身を含む): 2983305600

約数和(自身を除く): 805186653

約数列:

[1, 3, 43, 129, 257, 771, 11051, 33153, 65699, 197097, 2825057, 8475171, 16884643, 50653929, 726039649, 2178118947]

約数ペア:

[(1, 2178118947), (3, 726039649), (43, 50653929), (129, 16884643), (257, 8475171), (771, 2825057), (11051, 197097), (33153, 65699)]