66881291

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 71559936

約数和(自身を除く): 4678645

約数列:

[1, 31, 41, 101, 521, 1271, 3131, 4141, 16151, 21361, 52621, 128371, 662191, 1631251, 2157461, 66881291]

約数ペア:

[(1, 66881291), (31, 2157461), (41, 1631251), (101, 662191), (521, 128371), (1271, 52621), (3131, 21361), (4141, 16151)]