208530728

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79229}}^1$

素因数の和:79289

約数の個数: 32

約数和(自身を含む): 456364800

約数和(自身を除く): 247834072

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 79229, 158458, 316916, 554603, 633832, 1109206, 2218412, 3723763, 4436824, 7447526, 14895052, 26066341, 29790104, 52132682, 104265364, 208530728]

約数ペア:

[(1, 208530728), (2, 104265364), (4, 52132682), (7, 29790104), (8, 26066341), (14, 14895052), (28, 7447526), (47, 4436824), (56, 3723763), (94, 2218412), (188, 1109206), (329, 633832), (376, 554603), (658, 316916), (1316, 158458), (2632, 79229)]