28151208

素因数分解:

$2^3\times 3^2\times {\mathrm{390989}}^1$

素因数の和:391001

約数の個数: 24

約数和(自身を含む): 76243050

約数和(自身を除く): 48091842

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 390989, 781978, 1172967, 1563956, 2345934, 3127912, 3518901, 4691868, 7037802, 9383736, 14075604, 28151208]

約数ペア:

[(1, 28151208), (2, 14075604), (3, 9383736), (4, 7037802), (6, 4691868), (8, 3518901), (9, 3127912), (12, 2345934), (18, 1563956), (24, 1172967), (36, 781978), (72, 390989)]