40265916838

素因数分解:

$2^1\times 7^1\times {\mathrm{21991}}^1\times {\mathrm{130787}}^1$

素因数の和:152787

約数の個数: 16

約数和(自身を含む): 69030952704

約数和(自身を除く): 28765035866

約数列:

[1, 2, 7, 14, 21991, 43982, 130787, 153937, 261574, 307874, 915509, 1831018, 2876136917, 5752273834, 20132958419, 40265916838]

約数ペア:

[(1, 40265916838), (2, 20132958419), (7, 5752273834), (14, 2876136917), (21991, 1831018), (43982, 915509), (130787, 307874), (153937, 261574)]