28272839

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 33062400

約数和(自身を除く): 4789561

約数列:

[1, 7, 71, 163, 349, 497, 1141, 2443, 11573, 24779, 56887, 81011, 173453, 398209, 4038977, 28272839]

約数ペア:

[(1, 28272839), (7, 4038977), (71, 398209), (163, 173453), (349, 81011), (497, 56887), (1141, 24779), (2443, 11573)]