4087985

素因数分解:

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

素因数の和:289

約数の個数: 24

約数和(自身を含む): 5601960

約数和(自身を除く): 1513975

約数列:

[1, 5, 11, 29, 55, 121, 145, 233, 319, 605, 1165, 1595, 2563, 3509, 6757, 12815, 17545, 28193, 33785, 74327, 140965, 371635, 817597, 4087985]

約数ペア:

[(1, 4087985), (5, 817597), (11, 371635), (29, 140965), (55, 74327), (121, 33785), (145, 28193), (233, 17545), (319, 12815), (605, 6757), (1165, 3509), (1595, 2563)]