71211544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1087}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 141004800

約数和(自身を除く): 69793256

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1087, 1724, 2174, 3448, 4348, 8189, 8696, 16378, 20653, 32756, 41306, 65512, 82612, 165224, 468497, 936994, 1873988, 3747976, 8901443, 17802886, 35605772, 71211544]

約数ペア:

[(1, 71211544), (2, 35605772), (4, 17802886), (8, 8901443), (19, 3747976), (38, 1873988), (76, 936994), (152, 468497), (431, 165224), (862, 82612), (1087, 65512), (1724, 41306), (2174, 32756), (3448, 20653), (4348, 16378), (8189, 8696)]