628721863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1051}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 832578048

約数和(自身を除く): 203856185

約数列:

[1, 7, 11, 17, 77, 119, 187, 457, 1051, 1309, 3199, 5027, 7357, 7769, 11561, 17867, 35189, 54383, 80927, 85459, 125069, 196537, 480307, 598213, 1375759, 3362149, 5283377, 8165219, 36983639, 57156533, 89817409, 628721863]

約数ペア:

[(1, 628721863), (7, 89817409), (11, 57156533), (17, 36983639), (77, 8165219), (119, 5283377), (187, 3362149), (457, 1375759), (1051, 598213), (1309, 480307), (3199, 196537), (5027, 125069), (7357, 85459), (7769, 80927), (11561, 54383), (17867, 35189)]