40405981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9901}}^1$

素因数の和:9972

約数の個数: 16

約数和(自身を含む): 51331968

約数和(自身を除く): 10925987

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 9901, 69307, 108911, 524753, 762377, 3673271, 5772283, 40405981]

約数ペア:

[(1, 40405981), (7, 5772283), (11, 3673271), (53, 762377), (77, 524753), (371, 108911), (583, 69307), (4081, 9901)]