40489454

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{733}}^1$

素因数の和:1195

約数の個数: 16

約数和(自身を含む): 61832160

約数和(自身を除く): 21342706

約数列:

[1, 2, 71, 142, 389, 733, 778, 1466, 27619, 52043, 55238, 104086, 285137, 570274, 20244727, 40489454]

約数ペア:

[(1, 40489454), (2, 20244727), (71, 570274), (142, 285137), (389, 104086), (733, 55238), (778, 52043), (1466, 27619)]