25380728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 50621760

約数和(自身を除く): 25241032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 431, 433, 862, 866, 1724, 1732, 3448, 3464, 7327, 7361, 14654, 14722, 29308, 29444, 58616, 58888, 186623, 373246, 746492, 1492984, 3172591, 6345182, 12690364, 25380728]

約数ペア:

[(1, 25380728), (2, 12690364), (4, 6345182), (8, 3172591), (17, 1492984), (34, 746492), (68, 373246), (136, 186623), (431, 58888), (433, 58616), (862, 29444), (866, 29308), (1724, 14722), (1732, 14654), (3448, 7361), (3464, 7327)]