81231382

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{821}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 124148304

約数和(自身を除く): 42916922

約数列:

[1, 2, 61, 122, 811, 821, 1622, 1642, 49471, 50081, 98942, 100162, 665831, 1331662, 40615691, 81231382]

約数ペア:

[(1, 81231382), (2, 40615691), (61, 1331662), (122, 665831), (811, 100162), (821, 98942), (1622, 50081), (1642, 49471)]