257965654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{21323}}^1$

素因数の和:21611

約数の個数: 16

約数和(自身を含む): 405326592

約数和(自身を除く): 147360938

約数列:

[1, 2, 23, 46, 263, 526, 6049, 12098, 21323, 42646, 490429, 980858, 5607949, 11215898, 128982827, 257965654]

約数ペア:

[(1, 257965654), (2, 128982827), (23, 11215898), (46, 5607949), (263, 980858), (526, 490429), (6049, 42646), (12098, 21323)]