28805777

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4111}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 39376512

約数和(自身を除く): 10570735

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 4111, 7007, 28777, 45221, 53443, 201439, 316547, 374101, 587873, 2215829, 2618707, 4115111, 28805777]

約数ペア:

[(1, 28805777), (7, 4115111), (11, 2618707), (13, 2215829), (49, 587873), (77, 374101), (91, 316547), (143, 201439), (539, 53443), (637, 45221), (1001, 28777), (4111, 7007)]