28013538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{666989}}^1$

素因数の和:667001

約数の個数: 16

約数和(自身を含む): 64031040

約数和(自身を除く): 36017502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 666989, 1333978, 2000967, 4001934, 4668923, 9337846, 14006769, 28013538]

約数ペア:

[(1, 28013538), (2, 14006769), (3, 9337846), (6, 4668923), (7, 4001934), (14, 2000967), (21, 1333978), (42, 666989)]