149876321

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{4421}}^1$

素因数の和:4624

約数の個数: 16

約数和(自身を含む): 178295040

約数和(自身を除く): 28418719

約数列:

[1, 7, 29, 167, 203, 1169, 4421, 4843, 30947, 33901, 128209, 738307, 897463, 5168149, 21410903, 149876321]

約数ペア:

[(1, 149876321), (7, 21410903), (29, 5168149), (167, 897463), (203, 738307), (1169, 128209), (4421, 33901), (4843, 30947)]