684976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1420

約数の個数: 20

約数和(自身を含む): 1370944

約数和(自身を除く): 685968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1381, 2762, 5524, 11048, 22096, 42811, 85622, 171244, 342488, 684976]

約数ペア:

[(1, 684976), (2, 342488), (4, 171244), (8, 85622), (16, 42811), (31, 22096), (62, 11048), (124, 5524), (248, 2762), (496, 1381)]