211316470

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{54323}}^1$

素因数の和:54719

約数の個数: 16

約数和(自身を含む): 381354480

約数和(自身を除く): 170038010

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 54323, 108646, 271615, 543230, 21131647, 42263294, 105658235, 211316470]

約数ペア:

[(1, 211316470), (2, 105658235), (5, 42263294), (10, 21131647), (389, 543230), (778, 271615), (1945, 108646), (3890, 54323)]