28770274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 48199536

約数和(自身を除く): 19429262

約数列:

[1, 2, 13, 26, 41, 82, 137, 197, 274, 394, 533, 1066, 1781, 2561, 3562, 5122, 5617, 8077, 11234, 16154, 26989, 53978, 73021, 105001, 146042, 210002, 350857, 701714, 1106549, 2213098, 14385137, 28770274]

約数ペア:

[(1, 28770274), (2, 14385137), (13, 2213098), (26, 1106549), (41, 701714), (82, 350857), (137, 210002), (197, 146042), (274, 105001), (394, 73021), (533, 53978), (1066, 26989), (1781, 16154), (2561, 11234), (3562, 8077), (5122, 5617)]