15208749890

素因数分解:

$2^1\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{889921}}^1$

素因数の和:891637

約数の個数: 16

約数和(自身を含む): 27391799160

約数和(自身を除く): 12183049270

約数列:

[1, 2, 5, 10, 1709, 3418, 8545, 17090, 889921, 1779842, 4449605, 8899210, 1520874989, 3041749978, 7604374945, 15208749890]

約数ペア:

[(1, 15208749890), (2, 7604374945), (5, 3041749978), (10, 1520874989), (1709, 8899210), (3418, 4449605), (8545, 1779842), (17090, 889921)]