28358252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7681}}^1$

素因数の和:7769

約数の個数: 24

約数和(自身を含む): 54204192

約数和(自身を除く): 25845940

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7681, 15362, 30724, 99853, 199706, 399412, 545351, 1090702, 2181404, 7089563, 14179126, 28358252]

約数ペア:

[(1, 28358252), (2, 14179126), (4, 7089563), (13, 2181404), (26, 1090702), (52, 545351), (71, 399412), (142, 199706), (284, 99853), (923, 30724), (1846, 15362), (3692, 7681)]