165290419

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{12487}}^1$

素因数の和:12586

約数の個数: 16

約数和(自身を含む): 198209536

約数和(自身を除く): 32919117

約数列:

[1, 7, 31, 61, 217, 427, 1891, 12487, 13237, 87409, 387097, 761707, 2709679, 5331949, 23612917, 165290419]

約数ペア:

[(1, 165290419), (7, 23612917), (31, 5331949), (61, 2709679), (217, 761707), (427, 387097), (1891, 87409), (12487, 13237)]