78910876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{8581}}^1$

素因数の和:8626

約数の個数: 36

約数和(自身を含む): 159796840

約数和(自身を除く): 80885964

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2299, 4598, 8581, 9196, 17162, 34324, 94391, 163039, 188782, 326078, 377564, 652156, 1038301, 1793429, 2076602, 3586858, 4153204, 7173716, 19727719, 39455438, 78910876]

約数ペア:

[(1, 78910876), (2, 39455438), (4, 19727719), (11, 7173716), (19, 4153204), (22, 3586858), (38, 2076602), (44, 1793429), (76, 1038301), (121, 652156), (209, 377564), (242, 326078), (418, 188782), (484, 163039), (836, 94391), (2299, 34324), (4598, 17162), (8581, 9196)]