209865716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 404732160

約数和(自身を除く): 194866444

約数列:

[1, 2, 4, 19, 38, 41, 47, 76, 82, 94, 164, 188, 779, 893, 1433, 1558, 1786, 1927, 2866, 3116, 3572, 3854, 5732, 7708, 27227, 36613, 54454, 58753, 67351, 73226, 108908, 117506, 134702, 146452, 235012, 269404, 1116307, 1279669, 2232614, 2559338, 2761391, 4465228, 5118676, 5522782, 11045564, 52466429, 104932858, 209865716]

約数ペア:

[(1, 209865716), (2, 104932858), (4, 52466429), (19, 11045564), (38, 5522782), (41, 5118676), (47, 4465228), (76, 2761391), (82, 2559338), (94, 2232614), (164, 1279669), (188, 1116307), (779, 269404), (893, 235012), (1433, 146452), (1558, 134702), (1786, 117506), (1927, 108908), (2866, 73226), (3116, 67351), (3572, 58753), (3854, 54454), (5732, 36613), (7708, 27227)]