1998458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 3939840

約数和(自身を除く): 1941382

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 683, 1366, 1463, 2926, 4781, 7513, 9562, 12977, 15026, 25954, 52591, 90839, 105182, 142747, 181678, 285494, 999229, 1998458]

約数ペア:

[(1, 1998458), (2, 999229), (7, 285494), (11, 181678), (14, 142747), (19, 105182), (22, 90839), (38, 52591), (77, 25954), (133, 15026), (154, 12977), (209, 9562), (266, 7513), (418, 4781), (683, 2926), (1366, 1463)]