28147208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{659}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 55836000

約数和(自身を除く): 27688792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 281, 562, 659, 1124, 1318, 2248, 2636, 5272, 5339, 10678, 12521, 21356, 25042, 42712, 50084, 100168, 185179, 370358, 740716, 1481432, 3518401, 7036802, 14073604, 28147208]

約数ペア:

[(1, 28147208), (2, 14073604), (4, 7036802), (8, 3518401), (19, 1481432), (38, 740716), (76, 370358), (152, 185179), (281, 100168), (562, 50084), (659, 42712), (1124, 25042), (1318, 21356), (2248, 12521), (2636, 10678), (5272, 5339)]