15681486

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 32161536

約数和(自身を除く): 16480050

約数列:

[1, 2, 3, 6, 71, 131, 142, 213, 262, 281, 393, 426, 562, 786, 843, 1686, 9301, 18602, 19951, 27903, 36811, 39902, 55806, 59853, 73622, 110433, 119706, 220866, 2613581, 5227162, 7840743, 15681486]

約数ペア:

[(1, 15681486), (2, 7840743), (3, 5227162), (6, 2613581), (71, 220866), (131, 119706), (142, 110433), (213, 73622), (262, 59853), (281, 55806), (393, 39902), (426, 36811), (562, 27903), (786, 19951), (843, 18602), (1686, 9301)]