578664784

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{260191}}^1$

素因数の和:260338

約数の個数: 20

約数和(自身を含む): 1129233280

約数和(自身を除く): 550568496

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 260191, 520382, 1040764, 2081528, 4163056, 36166549, 72333098, 144666196, 289332392, 578664784]

約数ペア:

[(1, 578664784), (2, 289332392), (4, 144666196), (8, 72333098), (16, 36166549), (139, 4163056), (278, 2081528), (556, 1040764), (1112, 520382), (2224, 260191)]