209440628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{17987}}^1$

素因数の和:18103

約数の個数: 24

約数和(自身を含む): 380769984

約数和(自身を除く): 171329356

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 2911, 5822, 11644, 17987, 35974, 71948, 737467, 1277077, 1474934, 2554154, 2949868, 5108308, 52360157, 104720314, 209440628]

約数ペア:

[(1, 209440628), (2, 104720314), (4, 52360157), (41, 5108308), (71, 2949868), (82, 2554154), (142, 1474934), (164, 1277077), (284, 737467), (2911, 71948), (5822, 35974), (11644, 17987)]