1640902881

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{2341}}^1\times {\mathrm{7537}}^1$

素因数の和:9912

約数の個数: 16

約数和(自身を含む): 2259711488

約数和(自身を除く): 618808607

約数列:

[1, 3, 31, 93, 2341, 7023, 7537, 22611, 72571, 217713, 233647, 700941, 17644117, 52932351, 546967627, 1640902881]

約数ペア:

[(1, 1640902881), (3, 546967627), (31, 52932351), (93, 17644117), (2341, 700941), (7023, 233647), (7537, 217713), (22611, 72571)]