28739095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4391}}^1$

素因数の和:4431

約数の個数: 32

約数和(自身を含む): 45536256

約数和(自身を除く): 16797161

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 4391, 6545, 21955, 30737, 48301, 74647, 153685, 241505, 338107, 373235, 522529, 821117, 1690535, 2612645, 4105585, 5747819, 28739095]

約数ペア:

[(1, 28739095), (5, 5747819), (7, 4105585), (11, 2612645), (17, 1690535), (35, 821117), (55, 522529), (77, 373235), (85, 338107), (119, 241505), (187, 153685), (385, 74647), (595, 48301), (935, 30737), (1309, 21955), (4391, 6545)]