128889318

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{499571}}^1$

素因数の和:499619

約数の個数: 16

約数和(自身を含む): 263774016

約数和(自身を除く): 134884698

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 499571, 999142, 1498713, 2997426, 21481553, 42963106, 64444659, 128889318]

約数ペア:

[(1, 128889318), (2, 64444659), (3, 42963106), (6, 21481553), (43, 2997426), (86, 1498713), (129, 999142), (258, 499571)]