209412688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{422203}}^1$

素因数の和:422242

約数の個数: 20

約数和(自身を含む): 418826368

約数和(自身を除く): 209413680

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 422203, 844406, 1688812, 3377624, 6755248, 13088293, 26176586, 52353172, 104706344, 209412688]

約数ペア:

[(1, 209412688), (2, 104706344), (4, 52353172), (8, 26176586), (16, 13088293), (31, 6755248), (62, 3377624), (124, 1688812), (248, 844406), (496, 422203)]