16991690

素因数分解:

$2^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2459}}^1$

素因数の和:3157

約数の個数: 16

約数和(自身を含む): 30641760

約数和(自身を除く): 13650070

約数列:

[1, 2, 5, 10, 691, 1382, 2459, 3455, 4918, 6910, 12295, 24590, 1699169, 3398338, 8495845, 16991690]

約数ペア:

[(1, 16991690), (2, 8495845), (5, 3398338), (10, 1699169), (691, 24590), (1382, 12295), (2459, 6910), (3455, 4918)]