1216558441

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 1444352000

約数和(自身を除く): 227793559

約数列:

[1, 7, 61, 103, 139, 199, 427, 721, 973, 1393, 6283, 8479, 12139, 14317, 20497, 27661, 43981, 59353, 84973, 100219, 143479, 193627, 873337, 1250317, 1687321, 2849083, 6113359, 8752219, 11811247, 19943581, 173794063, 1216558441]

約数ペア:

[(1, 1216558441), (7, 173794063), (61, 19943581), (103, 11811247), (139, 8752219), (199, 6113359), (427, 2849083), (721, 1687321), (973, 1250317), (1393, 873337), (6283, 193627), (8479, 143479), (12139, 100219), (14317, 84973), (20497, 59353), (27661, 43981)]