28977982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{6619}}^1$

素因数の和:6831

約数の個数: 16

約数和(自身を含む): 47664000

約数和(自身を除く): 18686018

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 6619, 13238, 72809, 145618, 1317181, 2634362, 14488991, 28977982]

約数ペア:

[(1, 28977982), (2, 14488991), (11, 2634362), (22, 1317181), (199, 145618), (398, 72809), (2189, 13238), (4378, 6619)]