28021042

素因数分解:

$2^1\times 7^3\times {\mathrm{40847}}^1$

素因数の和:40870

約数の個数: 16

約数和(自身を含む): 49017600

約数和(自身を除く): 20996558

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 40847, 81694, 285929, 571858, 2001503, 4003006, 14010521, 28021042]

約数ペア:

[(1, 28021042), (2, 14010521), (7, 4003006), (14, 2001503), (49, 571858), (98, 285929), (343, 81694), (686, 40847)]