649032016

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{571331}}^1$

素因数の和:571410

約数の個数: 20

約数和(自身を含む): 1275213024

約数和(自身を除く): 626181008

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 571331, 1142662, 2285324, 4570648, 9141296, 40564501, 81129002, 162258004, 324516008, 649032016]

約数ペア:

[(1, 649032016), (2, 324516008), (4, 162258004), (8, 81129002), (16, 40564501), (71, 9141296), (142, 4570648), (284, 2285324), (568, 1142662), (1136, 571331)]