84077968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{404221}}^1$

素因数の和:404242

約数の個数: 20

約数和(自身を含む): 175432348

約数和(自身を除く): 91354380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 404221, 808442, 1616884, 3233768, 5254873, 6467536, 10509746, 21019492, 42038984, 84077968]

約数ペア:

[(1, 84077968), (2, 42038984), (4, 21019492), (8, 10509746), (13, 6467536), (16, 5254873), (26, 3233768), (52, 1616884), (104, 808442), (208, 404221)]