128520588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20959}}^1$

素因数の和:21046

約数の個数: 48

約数和(自身を含む): 347432960

約数和(自身を除く): 218912372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 6132, 20959, 41918, 62877, 83836, 125754, 146713, 251508, 293426, 440139, 586852, 880278, 1530007, 1760556, 3060014, 4590021, 6120028, 9180042, 10710049, 18360084, 21420098, 32130147, 42840196, 64260294, 128520588]

約数ペア:

[(1, 128520588), (2, 64260294), (3, 42840196), (4, 32130147), (6, 21420098), (7, 18360084), (12, 10710049), (14, 9180042), (21, 6120028), (28, 4590021), (42, 3060014), (73, 1760556), (84, 1530007), (146, 880278), (219, 586852), (292, 440139), (438, 293426), (511, 251508), (876, 146713), (1022, 125754), (1533, 83836), (2044, 62877), (3066, 41918), (6132, 20959)]