320854274

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 40

約数和(自身を含む): 538002108

約数和(自身を除く): 217147834

約数列:

[1, 2, 13, 26, 41, 82, 137, 169, 274, 338, 533, 1066, 1781, 2197, 3562, 4394, 5617, 6929, 11234, 13858, 23153, 28561, 46306, 57122, 73021, 90077, 146042, 180154, 300989, 601978, 949273, 1171001, 1898546, 2342002, 3912857, 7825714, 12340549, 24681098, 160427137, 320854274]

約数ペア:

[(1, 320854274), (2, 160427137), (13, 24681098), (26, 12340549), (41, 7825714), (82, 3912857), (137, 2342002), (169, 1898546), (274, 1171001), (338, 949273), (533, 601978), (1066, 300989), (1781, 180154), (2197, 146042), (3562, 90077), (4394, 73021), (5617, 57122), (6929, 46306), (11234, 28561), (13858, 23153)]