238156984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{43207}}^1$

素因数の和:43279

約数の個数: 32

約数和(自身を含む): 489978720

約数和(自身を除く): 251821736

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 43207, 86414, 172828, 345656, 561691, 1123382, 2246764, 2289971, 4493528, 4579942, 9159884, 18319768, 29769623, 59539246, 119078492, 238156984]

約数ペア:

[(1, 238156984), (2, 119078492), (4, 59539246), (8, 29769623), (13, 18319768), (26, 9159884), (52, 4579942), (53, 4493528), (104, 2289971), (106, 2246764), (212, 1123382), (424, 561691), (689, 345656), (1378, 172828), (2756, 86414), (5512, 43207)]