128538522

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{340049}}^1$

素因数の和:340067

約数の個数: 32

約数和(自身を含む): 326448000

約数和(自身を除く): 197909478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 340049, 680098, 1020147, 2040294, 2380343, 3060441, 4760686, 6120882, 7141029, 9181323, 14282058, 18362646, 21423087, 42846174, 64269261, 128538522]

約数ペア:

[(1, 128538522), (2, 64269261), (3, 42846174), (6, 21423087), (7, 18362646), (9, 14282058), (14, 9181323), (18, 7141029), (21, 6120882), (27, 4760686), (42, 3060441), (54, 2380343), (63, 2040294), (126, 1020147), (189, 680098), (378, 340049)]