198909935

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 278771712

約数和(自身を除く): 79861777

約数列:

[1, 5, 7, 35, 67, 271, 313, 335, 469, 1355, 1565, 1897, 2191, 2345, 9485, 10955, 18157, 20971, 84823, 90785, 104855, 127099, 146797, 424115, 593761, 635495, 733985, 2968805, 5683141, 28415705, 39781987, 198909935]

約数ペア:

[(1, 198909935), (5, 39781987), (7, 28415705), (35, 5683141), (67, 2968805), (271, 733985), (313, 635495), (335, 593761), (469, 424115), (1355, 146797), (1565, 127099), (1897, 104855), (2191, 90785), (2345, 84823), (9485, 20971), (10955, 18157)]