280169968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1346971}}^1$

素因数の和:1346992

約数の個数: 20

約数和(自身を含む): 584585848

約数和(自身を除く): 304415880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1346971, 2693942, 5387884, 10775768, 17510623, 21551536, 35021246, 70042492, 140084984, 280169968]

約数ペア:

[(1, 280169968), (2, 140084984), (4, 70042492), (8, 35021246), (13, 21551536), (16, 17510623), (26, 10775768), (52, 5387884), (104, 2693942), (208, 1346971)]