261725478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{6231559}}^1$

素因数の和:6231571

約数の個数: 16

約数和(自身を含む): 598229760

約数和(自身を除く): 336504282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 6231559, 12463118, 18694677, 37389354, 43620913, 87241826, 130862739, 261725478]

約数ペア:

[(1, 261725478), (2, 130862739), (3, 87241826), (6, 43620913), (7, 37389354), (14, 18694677), (21, 12463118), (42, 6231559)]