128528856

素因数分解:

$2^3\times 3^4\times {\mathrm{198347}}^1$

素因数の和:198365

約数の個数: 40

約数和(自身を含む): 360001620

約数和(自身を除く): 231472764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 198347, 396694, 595041, 793388, 1190082, 1586776, 1785123, 2380164, 3570246, 4760328, 5355369, 7140492, 10710738, 14280984, 16066107, 21421476, 32132214, 42842952, 64264428, 128528856]

約数ペア:

[(1, 128528856), (2, 64264428), (3, 42842952), (4, 32132214), (6, 21421476), (8, 16066107), (9, 14280984), (12, 10710738), (18, 7140492), (24, 5355369), (27, 4760328), (36, 3570246), (54, 2380164), (72, 1785123), (81, 1586776), (108, 1190082), (162, 793388), (216, 595041), (324, 396694), (648, 198347)]