28781690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411167}}^1$

素因数の和:411181

約数の個数: 16

約数和(自身を含む): 59208192

約数和(自身を除く): 30426502

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411167, 822334, 2055835, 2878169, 4111670, 5756338, 14390845, 28781690]

約数ペア:

[(1, 28781690), (2, 14390845), (5, 5756338), (7, 4111670), (10, 2878169), (14, 2055835), (35, 822334), (70, 411167)]