53381744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{256643}}^1$

素因数の和:256664

約数の個数: 20

約数和(自身を含む): 111383496

約数和(自身を除く): 58001752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 256643, 513286, 1026572, 2053144, 3336359, 4106288, 6672718, 13345436, 26690872, 53381744]

約数ペア:

[(1, 53381744), (2, 26690872), (4, 13345436), (8, 6672718), (13, 4106288), (16, 3336359), (26, 2053144), (52, 1026572), (104, 513286), (208, 256643)]