128413964

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97579}}^1$

素因数の和:97637

約数の個数: 24

約数和(自身を含む): 262295040

約数和(自身を除く): 133881076

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 97579, 195158, 390316, 683053, 1366106, 2732212, 4586213, 9172426, 18344852, 32103491, 64206982, 128413964]

約数ペア:

[(1, 128413964), (2, 64206982), (4, 32103491), (7, 18344852), (14, 9172426), (28, 4586213), (47, 2732212), (94, 1366106), (188, 683053), (329, 390316), (658, 195158), (1316, 97579)]