28491164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7717}}^1$

素因数の和:7805

約数の個数: 24

約数和(自身を含む): 54458208

約数和(自身を除く): 25967044

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7717, 15434, 30868, 100321, 200642, 401284, 547907, 1095814, 2191628, 7122791, 14245582, 28491164]

約数ペア:

[(1, 28491164), (2, 14245582), (4, 7122791), (13, 2191628), (26, 1095814), (52, 547907), (71, 401284), (142, 200642), (284, 100321), (923, 30868), (1846, 15434), (3692, 7717)]