279969305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{3121}}^1$

素因数の和:3377

約数の個数: 32

約数和(自身を含む): 420795648

約数和(自身を除く): 140826343

約数列:

[1, 5, 7, 11, 35, 55, 77, 233, 385, 1165, 1631, 2563, 3121, 8155, 12815, 15605, 17941, 21847, 34331, 89705, 109235, 171655, 240317, 727193, 1201585, 3635965, 5090351, 7999123, 25451755, 39995615, 55993861, 279969305]

約数ペア:

[(1, 279969305), (5, 55993861), (7, 39995615), (11, 25451755), (35, 7999123), (55, 5090351), (77, 3635965), (233, 1201585), (385, 727193), (1165, 240317), (1631, 171655), (2563, 109235), (3121, 89705), (8155, 34331), (12815, 21847), (15605, 17941)]