31605730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243121}}^1$

素因数の和:243141

約数の個数: 16

約数和(自身を含む): 61266744

約数和(自身を除く): 29661014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 243121, 486242, 1215605, 2431210, 3160573, 6321146, 15802865, 31605730]

約数ペア:

[(1, 31605730), (2, 15802865), (5, 6321146), (10, 3160573), (13, 2431210), (26, 1215605), (65, 486242), (130, 243121)]