28660528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137791}}^1$

素因数の和:137812

約数の個数: 20

約数和(自身を含む): 59801728

約数和(自身を除く): 31141200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137791, 275582, 551164, 1102328, 1791283, 2204656, 3582566, 7165132, 14330264, 28660528]

約数ペア:

[(1, 28660528), (2, 14330264), (4, 7165132), (8, 3582566), (13, 2204656), (16, 1791283), (26, 1102328), (52, 551164), (104, 275582), (208, 137791)]