66880457968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{134839633}}^1$

素因数の和:134839672

約数の個数: 20

約数和(自身を含む): 133760916928

約数和(自身を除く): 66880458960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 134839633, 269679266, 539358532, 1078717064, 2157434128, 4180028623, 8360057246, 16720114492, 33440228984, 66880457968]

約数ペア:

[(1, 66880457968), (2, 33440228984), (4, 16720114492), (8, 8360057246), (16, 4180028623), (31, 2157434128), (62, 1078717064), (124, 539358532), (248, 269679266), (496, 134839633)]