213400439

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1063}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 264182688

約数和(自身を除く): 50782249

約数列:

[1, 7, 17, 49, 119, 241, 833, 1063, 1687, 4097, 7441, 11809, 18071, 28679, 52087, 126497, 200753, 256183, 885479, 1793281, 4355111, 12552967, 30485777, 213400439]

約数ペア:

[(1, 213400439), (7, 30485777), (17, 12552967), (49, 4355111), (119, 1793281), (241, 885479), (833, 256183), (1063, 200753), (1687, 126497), (4097, 52087), (7441, 28679), (11809, 18071)]