1994668888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{823}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 4036677120

約数和(自身を除く): 2042008232

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 251, 284, 502, 568, 823, 1004, 1207, 1646, 2008, 2414, 3292, 4267, 4828, 6584, 8534, 9656, 13991, 17068, 17821, 27982, 34136, 35642, 55964, 58433, 71284, 111928, 116866, 142568, 206573, 233732, 302957, 413146, 467464, 605914, 826292, 993361, 1211828, 1652584, 1986722, 2423656, 3511741, 3973444, 7023482, 7946888, 14046964, 14666683, 28093928, 29333366, 58666732, 117333464, 249333611, 498667222, 997334444, 1994668888]

約数ペア:

[(1, 1994668888), (2, 997334444), (4, 498667222), (8, 249333611), (17, 117333464), (34, 58666732), (68, 29333366), (71, 28093928), (136, 14666683), (142, 14046964), (251, 7946888), (284, 7023482), (502, 3973444), (568, 3511741), (823, 2423656), (1004, 1986722), (1207, 1652584), (1646, 1211828), (2008, 993361), (2414, 826292), (3292, 605914), (4267, 467464), (4828, 413146), (6584, 302957), (8534, 233732), (9656, 206573), (13991, 142568), (17068, 116866), (17821, 111928), (27982, 71284), (34136, 58433), (35642, 55964)]