199973456

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{337793}}^1$

素因数の和:337838

約数の個数: 20

約数和(自身を含む): 397921332

約数和(自身を除く): 197947876

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 337793, 675586, 1351172, 2702344, 5404688, 12498341, 24996682, 49993364, 99986728, 199973456]

約数ペア:

[(1, 199973456), (2, 99986728), (4, 49993364), (8, 24996682), (16, 12498341), (37, 5404688), (74, 2702344), (148, 1351172), (296, 675586), (592, 337793)]