397805324

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{27803}}^1$

素因数の和:27894

約数の個数: 36

約数和(自身を含む): 820940904

約数和(自身を除く): 423135580

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 2044, 3577, 7154, 14308, 27803, 55606, 111212, 194621, 389242, 778484, 1362347, 2029619, 2724694, 4059238, 5449388, 8118476, 14207333, 28414666, 56829332, 99451331, 198902662, 397805324]

約数ペア:

[(1, 397805324), (2, 198902662), (4, 99451331), (7, 56829332), (14, 28414666), (28, 14207333), (49, 8118476), (73, 5449388), (98, 4059238), (146, 2724694), (196, 2029619), (292, 1362347), (511, 778484), (1022, 389242), (2044, 194621), (3577, 111212), (7154, 55606), (14308, 27803)]