181505968

素因数分解:

$2^4\times 7^1\times {\mathrm{1620589}}^1$

素因数の和:1620604

約数の個数: 20

約数和(自身を含む): 401906320

約数和(自身を除く): 220400352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1620589, 3241178, 6482356, 11344123, 12964712, 22688246, 25929424, 45376492, 90752984, 181505968]

約数ペア:

[(1, 181505968), (2, 90752984), (4, 45376492), (7, 25929424), (8, 22688246), (14, 12964712), (16, 11344123), (28, 6482356), (56, 3241178), (112, 1620589)]