243739979

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{20023}}^1$

素因数の和:20114

約数の個数: 16

約数和(自身を含む): 292190208

約数和(自身を除く): 48450229

約数列:

[1, 7, 37, 47, 259, 329, 1739, 12173, 20023, 140161, 740851, 941081, 5185957, 6587567, 34819997, 243739979]

約数ペア:

[(1, 243739979), (7, 34819997), (37, 6587567), (47, 5185957), (259, 941081), (329, 740851), (1739, 140161), (12173, 20023)]