399266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 24

約数和(自身を含む): 731520

約数和(自身を除く): 332254

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 361, 553, 722, 1106, 1501, 2527, 3002, 5054, 10507, 21014, 28519, 57038, 199633, 399266]

約数ペア:

[(1, 399266), (2, 199633), (7, 57038), (14, 28519), (19, 21014), (38, 10507), (79, 5054), (133, 3002), (158, 2527), (266, 1501), (361, 1106), (553, 722)]