2453902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1655

約数の個数: 16

約数和(自身を含む): 4074624

約数和(自身を除く): 1620722

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 1571, 3142, 17281, 34562, 111541, 223082, 1226951, 2453902]

約数ペア:

[(1, 2453902), (2, 1226951), (11, 223082), (22, 111541), (71, 34562), (142, 17281), (781, 3142), (1562, 1571)]