28663024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137803}}^1$

素因数の和:137824

約数の個数: 20

約数和(自身を含む): 59806936

約数和(自身を除く): 31143912

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137803, 275606, 551212, 1102424, 1791439, 2204848, 3582878, 7165756, 14331512, 28663024]

約数ペア:

[(1, 28663024), (2, 14331512), (4, 7165756), (8, 3582878), (13, 2204848), (16, 1791439), (26, 1102424), (52, 551212), (104, 275606), (208, 137803)]