28615895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 16199785

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 121, 145, 203, 233, 319, 385, 605, 847, 1015, 1165, 1595, 1631, 2233, 2563, 3509, 4235, 6757, 8155, 11165, 12815, 17545, 17941, 24563, 28193, 33785, 47299, 74327, 89705, 122815, 140965, 197351, 236495, 371635, 520289, 817597, 986755, 2601445, 4087985, 5723179, 28615895]

約数ペア:

[(1, 28615895), (5, 5723179), (7, 4087985), (11, 2601445), (29, 986755), (35, 817597), (55, 520289), (77, 371635), (121, 236495), (145, 197351), (203, 140965), (233, 122815), (319, 89705), (385, 74327), (605, 47299), (847, 33785), (1015, 28193), (1165, 24563), (1595, 17941), (1631, 17545), (2233, 12815), (2563, 11165), (3509, 8155), (4235, 6757)]