505273990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3886723}}^1$

素因数の和:3886743

約数の個数: 16

約数和(自身を含む): 979454448

約数和(自身を除く): 474180458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3886723, 7773446, 19433615, 38867230, 50527399, 101054798, 252636995, 505273990]

約数ペア:

[(1, 505273990), (2, 252636995), (5, 101054798), (10, 50527399), (13, 38867230), (26, 19433615), (65, 7773446), (130, 3886723)]