28934672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139109}}^1$

素因数の和:139130

約数の個数: 20

約数和(自身を含む): 60373740

約数和(自身を除く): 31439068

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139109, 278218, 556436, 1112872, 1808417, 2225744, 3616834, 7233668, 14467336, 28934672]

約数ペア:

[(1, 28934672), (2, 14467336), (4, 7233668), (8, 3616834), (13, 2225744), (16, 1808417), (26, 1112872), (52, 556436), (104, 278218), (208, 139109)]