208212488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{124529}}^1$

素因数の和:124565

約数の個数: 32

約数和(自身を含む): 448308000

約数和(自身を除く): 240095512

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 124529, 249058, 498116, 996232, 1369819, 2366051, 2739638, 4732102, 5479276, 9464204, 10958552, 18928408, 26026561, 52053122, 104106244, 208212488]

約数ペア:

[(1, 208212488), (2, 104106244), (4, 52053122), (8, 26026561), (11, 18928408), (19, 10958552), (22, 9464204), (38, 5479276), (44, 4732102), (76, 2739638), (88, 2366051), (152, 1369819), (209, 996232), (418, 498116), (836, 249058), (1672, 124529)]