81178811

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{14887}}^1$

素因数の和:14954

約数の個数: 16

約数和(自身を含む): 100047360

約数和(自身を除く): 18868549

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 14887, 104209, 282853, 610367, 1979971, 4272569, 11596973, 81178811]

約数ペア:

[(1, 81178811), (7, 11596973), (19, 4272569), (41, 1979971), (133, 610367), (287, 282853), (779, 104209), (5453, 14887)]