208992810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{535879}}^1$

素因数の和:535902

約数の個数: 32

約数和(自身を含む): 540167040

約数和(自身を除く): 331174230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 535879, 1071758, 1607637, 2679395, 3215274, 5358790, 6966427, 8038185, 13932854, 16076370, 20899281, 34832135, 41798562, 69664270, 104496405, 208992810]

約数ペア:

[(1, 208992810), (2, 104496405), (3, 69664270), (5, 41798562), (6, 34832135), (10, 20899281), (13, 16076370), (15, 13932854), (26, 8038185), (30, 6966427), (39, 5358790), (65, 3215274), (78, 2679395), (130, 1607637), (195, 1071758), (390, 535879)]