28390278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{675959}}^1$

素因数の和:675971

約数の個数: 16

約数和(自身を含む): 64892160

約数和(自身を除く): 36501882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 675959, 1351918, 2027877, 4055754, 4731713, 9463426, 14195139, 28390278]

約数ペア:

[(1, 28390278), (2, 14195139), (3, 9463426), (6, 4731713), (7, 4055754), (14, 2027877), (21, 1351918), (42, 675959)]