1291254014018

素因数分解:

$2^1\times {\mathrm{487}}^1\times {\mathrm{683}}^1\times {\mathrm{971}}^1\times {\mathrm{1999}}^1$

素因数の和:4142

約数の個数: 32

約数和(自身を含む): 1946674944000

約数和(自身を除く): 655420929982

約数列:

[1, 2, 487, 683, 971, 974, 1366, 1942, 1999, 3998, 332621, 472877, 663193, 665242, 945754, 973513, 1326386, 1365317, 1941029, 1947026, 2730634, 3882058, 322974991, 645949982, 664909379, 945281123, 1325722807, 1329818758, 1890562246, 2651445614, 645627007009, 1291254014018]

約数ペア:

[(1, 1291254014018), (2, 645627007009), (487, 2651445614), (683, 1890562246), (971, 1329818758), (974, 1325722807), (1366, 945281123), (1942, 664909379), (1999, 645949982), (3998, 322974991), (332621, 3882058), (472877, 2730634), (663193, 1947026), (665242, 1941029), (945754, 1365317), (973513, 1326386)]