28000000492

素因数分解:

$2^2\times {\mathrm{617}}^1\times {\mathrm{11345219}}^1$

素因数の和:11345840

約数の個数: 12

約数和(自身を含む): 49079421720

約数和(自身を除く): 21079421228

約数列:

[1, 2, 4, 617, 1234, 2468, 11345219, 22690438, 45380876, 7000000123, 14000000246, 28000000492]

約数ペア:

[(1, 28000000492), (2, 14000000246), (4, 7000000123), (617, 45380876), (1234, 22690438), (2468, 11345219)]