399403708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{93581}}^1$

素因数の和:93693

約数の個数: 24

約数和(自身を含む): 770367024

約数和(自身を除く): 370963316

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 93581, 187162, 374324, 1029391, 2058782, 4117564, 9077357, 18154714, 36309428, 99850927, 199701854, 399403708]

約数ペア:

[(1, 399403708), (2, 199701854), (4, 99850927), (11, 36309428), (22, 18154714), (44, 9077357), (97, 4117564), (194, 2058782), (388, 1029391), (1067, 374324), (2134, 187162), (4268, 93581)]