388519197

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{919}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 591390720

約数和(自身を除く): 202871523

約数列:

[1, 3, 11, 23, 33, 69, 253, 557, 759, 919, 1671, 2757, 6127, 10109, 12811, 18381, 21137, 30327, 38433, 63411, 140921, 232507, 422763, 511883, 697521, 1535649, 5630713, 11773309, 16892139, 35319927, 129506399, 388519197]

約数ペア:

[(1, 388519197), (3, 129506399), (11, 35319927), (23, 16892139), (33, 11773309), (69, 5630713), (253, 1535649), (557, 697521), (759, 511883), (919, 422763), (1671, 232507), (2757, 140921), (6127, 63411), (10109, 38433), (12811, 30327), (18381, 21137)]