440349968

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{107089}}^1$

素因数の和:107354

約数の個数: 20

約数和(自身を含む): 856505820

約数和(自身を除く): 416155852

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 107089, 214178, 428356, 856712, 1713424, 27521873, 55043746, 110087492, 220174984, 440349968]

約数ペア:

[(1, 440349968), (2, 220174984), (4, 110087492), (8, 55043746), (16, 27521873), (257, 1713424), (514, 856712), (1028, 428356), (2056, 214178), (4112, 107089)]