261205336

素因数分解:

$2^3\times 7^1\times {\mathrm{4664381}}^1$

素因数の和:4664394

約数の個数: 16

約数和(自身を含む): 559725840

約数和(自身を除く): 298520504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4664381, 9328762, 18657524, 32650667, 37315048, 65301334, 130602668, 261205336]

約数ペア:

[(1, 261205336), (2, 130602668), (4, 65301334), (7, 37315048), (8, 32650667), (14, 18657524), (28, 9328762), (56, 4664381)]