215683874

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{78203}}^1$

素因数の和:78409

約数の個数: 16

約数和(自身を含む): 371625408

約数和(自身を除く): 155941534

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 78203, 156406, 547421, 1094842, 15405991, 30811982, 107841937, 215683874]

約数ペア:

[(1, 215683874), (2, 107841937), (7, 30811982), (14, 15405991), (197, 1094842), (394, 547421), (1379, 156406), (2758, 78203)]