199417738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{19717}}^1$

素因数の和:20121

約数の個数: 16

約数和(自身を含む): 322980840

約数和(自身を除く): 123563102

約数列:

[1, 2, 13, 26, 389, 778, 5057, 10114, 19717, 39434, 256321, 512642, 7669913, 15339826, 99708869, 199417738]

約数ペア:

[(1, 199417738), (2, 99708869), (13, 15339826), (26, 7669913), (389, 512642), (778, 256321), (5057, 39434), (10114, 19717)]