201640964

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{54973}}^1$

素因数の和:55115

約数の個数: 24

約数和(自身を含む): 406367808

約数和(自身を除く): 204726844

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 54973, 109946, 219892, 384811, 769622, 1539244, 7201463, 14402926, 28805852, 50410241, 100820482, 201640964]

約数ペア:

[(1, 201640964), (2, 100820482), (4, 50410241), (7, 28805852), (14, 14402926), (28, 7201463), (131, 1539244), (262, 769622), (524, 384811), (917, 219892), (1834, 109946), (3668, 54973)]