28391503

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 33062400

約数和(自身を除く): 4670897

約数列:

[1, 7, 149, 163, 167, 1043, 1141, 1169, 24287, 24883, 27221, 170009, 174181, 190547, 4055929, 28391503]

約数ペア:

[(1, 28391503), (7, 4055929), (149, 190547), (163, 174181), (167, 170009), (1043, 27221), (1141, 24883), (1169, 24287)]