28691530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409879}}^1$

素因数の和:409893

約数の個数: 16

約数和(自身を含む): 59022720

約数和(自身を除く): 30331190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409879, 819758, 2049395, 2869153, 4098790, 5738306, 14345765, 28691530]

約数ペア:

[(1, 28691530), (2, 14345765), (5, 5738306), (7, 4098790), (10, 2869153), (14, 2049395), (35, 819758), (70, 409879)]