81166916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1579}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 144930240

約数和(自身を除く): 63763324

約数列:

[1, 2, 4, 71, 142, 181, 284, 362, 724, 1579, 3158, 6316, 12851, 25702, 51404, 112109, 224218, 285799, 448436, 571598, 1143196, 20291729, 40583458, 81166916]

約数ペア:

[(1, 81166916), (2, 40583458), (4, 20291729), (71, 1143196), (142, 571598), (181, 448436), (284, 285799), (362, 224218), (724, 112109), (1579, 51404), (3158, 25702), (6316, 12851)]