206491805

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5683}}^1$

素因数の和:5757

約数の個数: 24

約数和(自身を含む): 274605408

約数和(自身を除く): 68113603

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 2795, 5683, 7267, 28415, 36335, 73879, 244369, 369395, 960427, 1221845, 3176797, 4802135, 15883985, 41298361, 206491805]

約数ペア:

[(1, 206491805), (5, 41298361), (13, 15883985), (43, 4802135), (65, 3176797), (169, 1221845), (215, 960427), (559, 369395), (845, 244369), (2795, 73879), (5683, 36335), (7267, 28415)]