861111550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{30809}}^1$

素因数の和:30877

約数の個数: 48

約数和(自身を含む): 1765043280

約数和(自身を除く): 903931730

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1075, 1118, 2150, 2795, 5590, 13975, 27950, 30809, 61618, 154045, 308090, 400517, 770225, 801034, 1324787, 1540450, 2002585, 2649574, 4005170, 6623935, 10012925, 13247870, 17222231, 20025850, 33119675, 34444462, 66239350, 86111155, 172222310, 430555775, 861111550]

約数ペア:

[(1, 861111550), (2, 430555775), (5, 172222310), (10, 86111155), (13, 66239350), (25, 34444462), (26, 33119675), (43, 20025850), (50, 17222231), (65, 13247870), (86, 10012925), (130, 6623935), (215, 4005170), (325, 2649574), (430, 2002585), (559, 1540450), (650, 1324787), (1075, 801034), (1118, 770225), (2150, 400517), (2795, 308090), (5590, 154045), (13975, 61618), (27950, 30809)]