80961818

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{11317}}^1$

素因数の和:11406

約数の個数: 24

約数和(自身を含む): 143217972

約数和(自身を除く): 62256154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 3577, 7154, 11317, 22634, 79219, 158438, 554533, 826141, 1109066, 1652282, 5782987, 11565974, 40480909, 80961818]

約数ペア:

[(1, 80961818), (2, 40480909), (7, 11565974), (14, 5782987), (49, 1652282), (73, 1109066), (98, 826141), (146, 554533), (511, 158438), (1022, 79219), (3577, 22634), (7154, 11317)]