213355852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{17471}}^1$

素因数の和:17589

約数の個数: 24

約数和(自身を含む): 387459072

約数和(自身を除く): 174103220

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 3053, 6106, 12212, 17471, 34942, 69884, 751253, 1240441, 1502506, 2480882, 3005012, 4961764, 53338963, 106677926, 213355852]

約数ペア:

[(1, 213355852), (2, 106677926), (4, 53338963), (43, 4961764), (71, 3005012), (86, 2480882), (142, 1502506), (172, 1240441), (284, 751253), (3053, 69884), (6106, 34942), (12212, 17471)]