128484258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71143}}^1$

素因数の和:71198

約数の個数: 32

約数和(自身を含む): 300512256

約数和(自身を除く): 172027998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 71143, 142286, 213429, 426858, 498001, 996002, 1494003, 2988006, 3059149, 6118298, 9177447, 18354894, 21414043, 42828086, 64242129, 128484258]

約数ペア:

[(1, 128484258), (2, 64242129), (3, 42828086), (6, 21414043), (7, 18354894), (14, 9177447), (21, 6118298), (42, 3059149), (43, 2988006), (86, 1494003), (129, 996002), (258, 498001), (301, 426858), (602, 213429), (903, 142286), (1806, 71143)]